81986651880

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{79}}^1\times {\mathrm{23311}}^1$

素因数の和:23464

約数の個数: 256

約数和(自身を含む): 290038579200

約数和(自身を除く): 208051927320

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 53, 56, 60, 70, 79, 84, 105, 106, 120, 140, 158, 159, 168, 210, 212, 237, 265, 280, 316, 318, 371, 395, 420, 424, 474, 530, 553, 632, 636, 742, 790, 795, 840, 948, 1060, 1106, 1113, 1185, 1272, 1484, 1580, 1590, 1659, 1855, 1896, 2120, 2212, 2226, 2370, 2765, 2968, 3160, 3180, 3318, 3710, 4187, 4424, 4452, 4740, 5530, 5565, 6360, 6636, 7420, 8295, 8374, 8904, 9480, 11060, 11130, 12561, 13272, 14840, 16590, 16748, 20935, 22120, 22260, 23311, 25122, 29309, 33180, 33496, 41870, 44520, 46622, 50244, 58618, 62805, 66360, 69933, 83740, 87927, 93244, 100488, 116555, 117236, 125610, 139866, 146545, 163177, 167480, 175854, 186488, 233110, 234472, 251220, 279732, 293090, 326354, 349665, 351708, 439635, 466220, 489531, 502440, 559464, 586180, 652708, 699330, 703416, 815885, 879270, 932440, 979062, 1172360, 1235483, 1305416, 1398660, 1631770, 1758540, 1841569, 1958124, 2447655, 2470966, 2797320, 3263540, 3517080, 3683138, 3706449, 3916248, 4895310, 4941932, 5524707, 6177415, 6527080, 7366276, 7412898, 8648381, 9207845, 9790620, 9883864, 11049414, 12354830, 12890983, 14732552, 14825796, 17296762, 18415690, 18532245, 19581240, 22098828, 24709660, 25781966, 25945143, 27623535, 29651592, 34593524, 36831380, 37064490, 38672949, 43241905, 44197656, 49419320, 51563932, 51890286, 55247070, 64454915, 69187048, 73662760, 74128980, 77345898, 86483810, 97603157, 103127864, 103780572, 110494140, 128909830, 129725715, 148257960, 154691796, 172967620, 193364745, 195206314, 207561144, 220988280, 257819660, 259451430, 292809471, 309383592, 345935240, 386729490, 390412628, 488015785, 515639320, 518902860, 585618942, 683222099, 773458980, 780825256, 976031570, 1037805720, 1171237884, 1366444198, 1464047355, 1546917960, 1952063140, 2049666297, 2342475768, 2732888396, 2928094710, 3416110495, 3904126280, 4099332594, 5465776792, 5856189420, 6832220990, 8198665188, 10248331485, 11712378840, 13664441980, 16397330376, 20496662970, 27328883960, 40993325940, 81986651880]

約数ペア:

[(1, 81986651880), (2, 40993325940), (3, 27328883960), (4, 20496662970), (5, 16397330376), (6, 13664441980), (7, 11712378840), (8, 10248331485), (10, 8198665188), (12, 6832220990), (14, 5856189420), (15, 5465776792), (20, 4099332594), (21, 3904126280), (24, 3416110495), (28, 2928094710), (30, 2732888396), (35, 2342475768), (40, 2049666297), (42, 1952063140), (53, 1546917960), (56, 1464047355), (60, 1366444198), (70, 1171237884), (79, 1037805720), (84, 976031570), (105, 780825256), (106, 773458980), (120, 683222099), (140, 585618942), (158, 518902860), (159, 515639320), (168, 488015785), (210, 390412628), (212, 386729490), (237, 345935240), (265, 309383592), (280, 292809471), (316, 259451430), (318, 257819660), (371, 220988280), (395, 207561144), (420, 195206314), (424, 193364745), (474, 172967620), (530, 154691796), (553, 148257960), (632, 129725715), (636, 128909830), (742, 110494140), (790, 103780572), (795, 103127864), (840, 97603157), (948, 86483810), (1060, 77345898), (1106, 74128980), (1113, 73662760), (1185, 69187048), (1272, 64454915), (1484, 55247070), (1580, 51890286), (1590, 51563932), (1659, 49419320), (1855, 44197656), (1896, 43241905), (2120, 38672949), (2212, 37064490), (2226, 36831380), (2370, 34593524), (2765, 29651592), (2968, 27623535), (3160, 25945143), (3180, 25781966), (3318, 24709660), (3710, 22098828), (4187, 19581240), (4424, 18532245), (4452, 18415690), (4740, 17296762), (5530, 14825796), (5565, 14732552), (6360, 12890983), (6636, 12354830), (7420, 11049414), (8295, 9883864), (8374, 9790620), (8904, 9207845), (9480, 8648381), (11060, 7412898), (11130, 7366276), (12561, 6527080), (13272, 6177415), (14840, 5524707), (16590, 4941932), (16748, 4895310), (20935, 3916248), (22120, 3706449), (22260, 3683138), (23311, 3517080), (25122, 3263540), (29309, 2797320), (33180, 2470966), (33496, 2447655), (41870, 1958124), (44520, 1841569), (46622, 1758540), (50244, 1631770), (58618, 1398660), (62805, 1305416), (66360, 1235483), (69933, 1172360), (83740, 979062), (87927, 932440), (93244, 879270), (100488, 815885), (116555, 703416), (117236, 699330), (125610, 652708), (139866, 586180), (146545, 559464), (163177, 502440), (167480, 489531), (175854, 466220), (186488, 439635), (233110, 351708), (234472, 349665), (251220, 326354), (279732, 293090)]