78156540

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{5639}}^1$

素因数の和:5672

約数の個数: 144

約数和(自身を含む): 295626240

約数和(自身を除く): 217469700

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 11, 12, 14, 15, 18, 20, 21, 22, 28, 30, 33, 35, 36, 42, 44, 45, 55, 60, 63, 66, 70, 77, 84, 90, 99, 105, 110, 126, 132, 140, 154, 165, 180, 198, 210, 220, 231, 252, 308, 315, 330, 385, 396, 420, 462, 495, 630, 660, 693, 770, 924, 990, 1155, 1260, 1386, 1540, 1980, 2310, 2772, 3465, 4620, 5639, 6930, 11278, 13860, 16917, 22556, 28195, 33834, 39473, 50751, 56390, 62029, 67668, 78946, 84585, 101502, 112780, 118419, 124058, 157892, 169170, 186087, 197365, 203004, 236838, 248116, 253755, 310145, 338340, 355257, 372174, 394730, 434203, 473676, 507510, 558261, 592095, 620290, 710514, 744348, 789460, 868406, 930435, 1015020, 1116522, 1184190, 1240580, 1302609, 1421028, 1736812, 1776285, 1860870, 2171015, 2233044, 2368380, 2605218, 2791305, 3552570, 3721740, 3907827, 4342030, 5210436, 5582610, 6513045, 7105140, 7815654, 8684060, 11165220, 13026090, 15631308, 19539135, 26052180, 39078270, 78156540]

約数ペア:

[(1, 78156540), (2, 39078270), (3, 26052180), (4, 19539135), (5, 15631308), (6, 13026090), (7, 11165220), (9, 8684060), (10, 7815654), (11, 7105140), (12, 6513045), (14, 5582610), (15, 5210436), (18, 4342030), (20, 3907827), (21, 3721740), (22, 3552570), (28, 2791305), (30, 2605218), (33, 2368380), (35, 2233044), (36, 2171015), (42, 1860870), (44, 1776285), (45, 1736812), (55, 1421028), (60, 1302609), (63, 1240580), (66, 1184190), (70, 1116522), (77, 1015020), (84, 930435), (90, 868406), (99, 789460), (105, 744348), (110, 710514), (126, 620290), (132, 592095), (140, 558261), (154, 507510), (165, 473676), (180, 434203), (198, 394730), (210, 372174), (220, 355257), (231, 338340), (252, 310145), (308, 253755), (315, 248116), (330, 236838), (385, 203004), (396, 197365), (420, 186087), (462, 169170), (495, 157892), (630, 124058), (660, 118419), (693, 112780), (770, 101502), (924, 84585), (990, 78946), (1155, 67668), (1260, 62029), (1386, 56390), (1540, 50751), (1980, 39473), (2310, 33834), (2772, 28195), (3465, 22556), (4620, 16917), (5639, 13860), (6930, 11278)]