20782371480

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{31}}^1\times {\mathrm{1487}}^1$

素因数の和:1579

約数の個数: 384

約数和(自身を含む): 73675284480

約数和(自身を除く): 52892913000

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 17, 20, 24, 26, 30, 31, 34, 39, 40, 51, 52, 60, 62, 65, 68, 78, 85, 93, 102, 104, 120, 124, 130, 136, 155, 156, 170, 186, 195, 204, 221, 248, 255, 260, 289, 310, 312, 340, 372, 390, 403, 408, 442, 465, 510, 520, 527, 578, 620, 663, 680, 744, 780, 806, 867, 884, 930, 1020, 1054, 1105, 1156, 1209, 1240, 1326, 1445, 1487, 1560, 1581, 1612, 1734, 1768, 1860, 2015, 2040, 2108, 2210, 2312, 2418, 2635, 2652, 2890, 2974, 3162, 3224, 3315, 3468, 3720, 3757, 4030, 4216, 4335, 4420, 4461, 4836, 5270, 5304, 5780, 5948, 6045, 6324, 6630, 6851, 6936, 7435, 7514, 7905, 8060, 8670, 8840, 8922, 8959, 9672, 10540, 11271, 11560, 11896, 12090, 12648, 13260, 13702, 14870, 15028, 15810, 16120, 17340, 17844, 17918, 18785, 19331, 20553, 21080, 22305, 22542, 24180, 25279, 26520, 26877, 27404, 29740, 30056, 31620, 34255, 34680, 35688, 35836, 37570, 38662, 41106, 44610, 44795, 45084, 46097, 48360, 50558, 53754, 54808, 56355, 57993, 59480, 63240, 68510, 71672, 75140, 75837, 77324, 82212, 89220, 89590, 90168, 92194, 96655, 101116, 102765, 107508, 112710, 115986, 116467, 126395, 134385, 137020, 138291, 150280, 151674, 154648, 164424, 178440, 179180, 184388, 193310, 202232, 205530, 215016, 225420, 230485, 231972, 232934, 252790, 268770, 274040, 276582, 289965, 303348, 328627, 349401, 358360, 368776, 379185, 386620, 411060, 429743, 450840, 460970, 463944, 465868, 505580, 537540, 553164, 579930, 582335, 599261, 606696, 657254, 691455, 698802, 758370, 773240, 783649, 822120, 859486, 921940, 931736, 985881, 1011160, 1075080, 1106328, 1159860, 1164670, 1198522, 1289229, 1314508, 1382910, 1397604, 1516740, 1567298, 1643135, 1718972, 1747005, 1797783, 1843880, 1971762, 2148715, 2319720, 2329340, 2350947, 2397044, 2578458, 2629016, 2765820, 2795208, 2996305, 3033480, 3134596, 3286270, 3437944, 3494010, 3595566, 3918245, 3943524, 4297430, 4658680, 4701894, 4794088, 4929405, 5156916, 5531640, 5586659, 5992610, 6269192, 6446145, 6572540, 6988020, 7191132, 7836490, 7887048, 8594860, 8988915, 9403788, 9858810, 10187437, 10313832, 11173318, 11754735, 11985220, 12892290, 13145080, 13322033, 13976040, 14382264, 15672980, 16759977, 17189720, 17977830, 18807576, 19717620, 20374874, 22346636, 23509470, 23970440, 25784580, 26644066, 27933295, 30562311, 31345960, 33519954, 35955660, 39435240, 39966099, 40749748, 44693272, 47018940, 50937185, 51569160, 53288132, 55866590, 61124622, 66610165, 67039908, 71911320, 79932198, 81499496, 83799885, 94037880, 101874370, 106576264, 111733180, 122249244, 133220330, 134079816, 152811555, 159864396, 167599770, 173186429, 199830495, 203748740, 223466360, 244498488, 266440660, 305623110, 319728792, 335199540, 346372858, 399660990, 407497480, 519559287, 532881320, 611246220, 670399080, 692745716, 799321980, 865932145, 1039118574, 1222492440, 1385491432, 1598643960, 1731864290, 2078237148, 2597796435, 3463728580, 4156474296, 5195592870, 6927457160, 10391185740, 20782371480]

約数ペア:

[(1, 20782371480), (2, 10391185740), (3, 6927457160), (4, 5195592870), (5, 4156474296), (6, 3463728580), (8, 2597796435), (10, 2078237148), (12, 1731864290), (13, 1598643960), (15, 1385491432), (17, 1222492440), (20, 1039118574), (24, 865932145), (26, 799321980), (30, 692745716), (31, 670399080), (34, 611246220), (39, 532881320), (40, 519559287), (51, 407497480), (52, 399660990), (60, 346372858), (62, 335199540), (65, 319728792), (68, 305623110), (78, 266440660), (85, 244498488), (93, 223466360), (102, 203748740), (104, 199830495), (120, 173186429), (124, 167599770), (130, 159864396), (136, 152811555), (155, 134079816), (156, 133220330), (170, 122249244), (186, 111733180), (195, 106576264), (204, 101874370), (221, 94037880), (248, 83799885), (255, 81499496), (260, 79932198), (289, 71911320), (310, 67039908), (312, 66610165), (340, 61124622), (372, 55866590), (390, 53288132), (403, 51569160), (408, 50937185), (442, 47018940), (465, 44693272), (510, 40749748), (520, 39966099), (527, 39435240), (578, 35955660), (620, 33519954), (663, 31345960), (680, 30562311), (744, 27933295), (780, 26644066), (806, 25784580), (867, 23970440), (884, 23509470), (930, 22346636), (1020, 20374874), (1054, 19717620), (1105, 18807576), (1156, 17977830), (1209, 17189720), (1240, 16759977), (1326, 15672980), (1445, 14382264), (1487, 13976040), (1560, 13322033), (1581, 13145080), (1612, 12892290), (1734, 11985220), (1768, 11754735), (1860, 11173318), (2015, 10313832), (2040, 10187437), (2108, 9858810), (2210, 9403788), (2312, 8988915), (2418, 8594860), (2635, 7887048), (2652, 7836490), (2890, 7191132), (2974, 6988020), (3162, 6572540), (3224, 6446145), (3315, 6269192), (3468, 5992610), (3720, 5586659), (3757, 5531640), (4030, 5156916), (4216, 4929405), (4335, 4794088), (4420, 4701894), (4461, 4658680), (4836, 4297430), (5270, 3943524), (5304, 3918245), (5780, 3595566), (5948, 3494010), (6045, 3437944), (6324, 3286270), (6630, 3134596), (6851, 3033480), (6936, 2996305), (7435, 2795208), (7514, 2765820), (7905, 2629016), (8060, 2578458), (8670, 2397044), (8840, 2350947), (8922, 2329340), (8959, 2319720), (9672, 2148715), (10540, 1971762), (11271, 1843880), (11560, 1797783), (11896, 1747005), (12090, 1718972), (12648, 1643135), (13260, 1567298), (13702, 1516740), (14870, 1397604), (15028, 1382910), (15810, 1314508), (16120, 1289229), (17340, 1198522), (17844, 1164670), (17918, 1159860), (18785, 1106328), (19331, 1075080), (20553, 1011160), (21080, 985881), (22305, 931736), (22542, 921940), (24180, 859486), (25279, 822120), (26520, 783649), (26877, 773240), (27404, 758370), (29740, 698802), (30056, 691455), (31620, 657254), (34255, 606696), (34680, 599261), (35688, 582335), (35836, 579930), (37570, 553164), (38662, 537540), (41106, 505580), (44610, 465868), (44795, 463944), (45084, 460970), (46097, 450840), (48360, 429743), (50558, 411060), (53754, 386620), (54808, 379185), (56355, 368776), (57993, 358360), (59480, 349401), (63240, 328627), (68510, 303348), (71672, 289965), (75140, 276582), (75837, 274040), (77324, 268770), (82212, 252790), (89220, 232934), (89590, 231972), (90168, 230485), (92194, 225420), (96655, 215016), (101116, 205530), (102765, 202232), (107508, 193310), (112710, 184388), (115986, 179180), (116467, 178440), (126395, 164424), (134385, 154648), (137020, 151674), (138291, 150280)]