20187765780

素因数分解:

$2^2\times 3^1\times 5^1\times 7^3\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{1237}}^1$

素因数の和:1344

約数の個数: 384

約数和(自身を含む): 72212044800

約数和(自身を除く): 52024279020

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 13, 14, 15, 20, 21, 26, 28, 30, 35, 39, 42, 49, 52, 60, 61, 65, 70, 78, 84, 91, 98, 105, 122, 130, 140, 147, 156, 182, 183, 195, 196, 210, 244, 245, 260, 273, 294, 305, 343, 364, 366, 390, 420, 427, 455, 490, 546, 588, 610, 637, 686, 732, 735, 780, 793, 854, 910, 915, 980, 1029, 1092, 1220, 1237, 1274, 1281, 1365, 1372, 1470, 1586, 1708, 1715, 1820, 1830, 1911, 2058, 2135, 2379, 2474, 2548, 2562, 2730, 2940, 2989, 3172, 3185, 3430, 3660, 3711, 3822, 3965, 4116, 4270, 4459, 4758, 4948, 5124, 5145, 5460, 5551, 5978, 6185, 6370, 6405, 6860, 7422, 7644, 7930, 8540, 8659, 8918, 8967, 9516, 9555, 10290, 11102, 11895, 11956, 12370, 12740, 12810, 13377, 14844, 14945, 15860, 16081, 16653, 17318, 17836, 17934, 18555, 19110, 20580, 20923, 22204, 22295, 23790, 24740, 25620, 25977, 26754, 27755, 29890, 32162, 33306, 34636, 35868, 37110, 38220, 38857, 41846, 43295, 44590, 44835, 47580, 48243, 51954, 53508, 55510, 59780, 60613, 62769, 64324, 66612, 66885, 74220, 75457, 77714, 80405, 83265, 83692, 86590, 89180, 89670, 96486, 103908, 104615, 111020, 112567, 116571, 121226, 125538, 129885, 133770, 150914, 155428, 160810, 166530, 173180, 179340, 181839, 192972, 194285, 209230, 225134, 226371, 233142, 241215, 242452, 251076, 259770, 267540, 271999, 301828, 303065, 313845, 321620, 333060, 337701, 363678, 377285, 388570, 418460, 424291, 450268, 452742, 466284, 482430, 519540, 528199, 543998, 562835, 582855, 606130, 627690, 675402, 727356, 754570, 777140, 787969, 815997, 848582, 905484, 909195, 964860, 980941, 1056398, 1087996, 1125670, 1131855, 1165710, 1212260, 1255380, 1272873, 1350804, 1359995, 1509140, 1575938, 1584597, 1631994, 1688505, 1697164, 1818390, 1961882, 2112796, 2121455, 2251340, 2263710, 2331420, 2363907, 2545746, 2640995, 2719990, 2942823, 3151876, 3169194, 3263988, 3377010, 3636780, 3697393, 3923764, 3939845, 4079985, 4242910, 4527420, 4727814, 4904705, 5091492, 5281990, 5439980, 5515783, 5885646, 6338388, 6364365, 6754020, 6866587, 7394786, 7879690, 7922985, 8159970, 8485820, 9455628, 9809410, 10563980, 11031566, 11092179, 11771292, 11819535, 12728730, 13733174, 14714115, 14789572, 15759380, 15845970, 16319940, 16547349, 18486965, 19618820, 20599761, 22063132, 22184358, 23639070, 25457460, 25881751, 27466348, 27578915, 29428230, 31691940, 33094698, 34332935, 36973930, 41199522, 44368716, 47278140, 48066109, 51763502, 55157830, 55460895, 58856460, 66189396, 68665870, 73947860, 77645253, 82399044, 82736745, 96132218, 102998805, 103527004, 110315660, 110921790, 129408755, 137331740, 144198327, 155290506, 165473490, 192264436, 205997610, 221843580, 240330545, 258817510, 288396654, 310581012, 330946980, 336462763, 388226265, 411995220, 480661090, 517635020, 576793308, 672925526, 720991635, 776452530, 961322180, 1009388289, 1345851052, 1441983270, 1552905060, 1682313815, 2018776578, 2883966540, 3364627630, 4037553156, 5046941445, 6729255260, 10093882890, 20187765780]

約数ペア:

[(1, 20187765780), (2, 10093882890), (3, 6729255260), (4, 5046941445), (5, 4037553156), (6, 3364627630), (7, 2883966540), (10, 2018776578), (12, 1682313815), (13, 1552905060), (14, 1441983270), (15, 1345851052), (20, 1009388289), (21, 961322180), (26, 776452530), (28, 720991635), (30, 672925526), (35, 576793308), (39, 517635020), (42, 480661090), (49, 411995220), (52, 388226265), (60, 336462763), (61, 330946980), (65, 310581012), (70, 288396654), (78, 258817510), (84, 240330545), (91, 221843580), (98, 205997610), (105, 192264436), (122, 165473490), (130, 155290506), (140, 144198327), (147, 137331740), (156, 129408755), (182, 110921790), (183, 110315660), (195, 103527004), (196, 102998805), (210, 96132218), (244, 82736745), (245, 82399044), (260, 77645253), (273, 73947860), (294, 68665870), (305, 66189396), (343, 58856460), (364, 55460895), (366, 55157830), (390, 51763502), (420, 48066109), (427, 47278140), (455, 44368716), (490, 41199522), (546, 36973930), (588, 34332935), (610, 33094698), (637, 31691940), (686, 29428230), (732, 27578915), (735, 27466348), (780, 25881751), (793, 25457460), (854, 23639070), (910, 22184358), (915, 22063132), (980, 20599761), (1029, 19618820), (1092, 18486965), (1220, 16547349), (1237, 16319940), (1274, 15845970), (1281, 15759380), (1365, 14789572), (1372, 14714115), (1470, 13733174), (1586, 12728730), (1708, 11819535), (1715, 11771292), (1820, 11092179), (1830, 11031566), (1911, 10563980), (2058, 9809410), (2135, 9455628), (2379, 8485820), (2474, 8159970), (2548, 7922985), (2562, 7879690), (2730, 7394786), (2940, 6866587), (2989, 6754020), (3172, 6364365), (3185, 6338388), (3430, 5885646), (3660, 5515783), (3711, 5439980), (3822, 5281990), (3965, 5091492), (4116, 4904705), (4270, 4727814), (4459, 4527420), (4758, 4242910), (4948, 4079985), (5124, 3939845), (5145, 3923764), (5460, 3697393), (5551, 3636780), (5978, 3377010), (6185, 3263988), (6370, 3169194), (6405, 3151876), (6860, 2942823), (7422, 2719990), (7644, 2640995), (7930, 2545746), (8540, 2363907), (8659, 2331420), (8918, 2263710), (8967, 2251340), (9516, 2121455), (9555, 2112796), (10290, 1961882), (11102, 1818390), (11895, 1697164), (11956, 1688505), (12370, 1631994), (12740, 1584597), (12810, 1575938), (13377, 1509140), (14844, 1359995), (14945, 1350804), (15860, 1272873), (16081, 1255380), (16653, 1212260), (17318, 1165710), (17836, 1131855), (17934, 1125670), (18555, 1087996), (19110, 1056398), (20580, 980941), (20923, 964860), (22204, 909195), (22295, 905484), (23790, 848582), (24740, 815997), (25620, 787969), (25977, 777140), (26754, 754570), (27755, 727356), (29890, 675402), (32162, 627690), (33306, 606130), (34636, 582855), (35868, 562835), (37110, 543998), (38220, 528199), (38857, 519540), (41846, 482430), (43295, 466284), (44590, 452742), (44835, 450268), (47580, 424291), (48243, 418460), (51954, 388570), (53508, 377285), (55510, 363678), (59780, 337701), (60613, 333060), (62769, 321620), (64324, 313845), (66612, 303065), (66885, 301828), (74220, 271999), (75457, 267540), (77714, 259770), (80405, 251076), (83265, 242452), (83692, 241215), (86590, 233142), (89180, 226371), (89670, 225134), (96486, 209230), (103908, 194285), (104615, 192972), (111020, 181839), (112567, 179340), (116571, 173180), (121226, 166530), (125538, 160810), (129885, 155428), (133770, 150914)]