77811240

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{1609}}^1$

素因数の和:1667

約数の個数: 128

約数和(自身を含む): 259660800

約数和(自身を除く): 181849560

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 31, 39, 40, 52, 60, 62, 65, 78, 93, 104, 120, 124, 130, 155, 156, 186, 195, 248, 260, 310, 312, 372, 390, 403, 465, 520, 620, 744, 780, 806, 930, 1209, 1240, 1560, 1609, 1612, 1860, 2015, 2418, 3218, 3224, 3720, 4030, 4827, 4836, 6045, 6436, 8045, 8060, 9654, 9672, 12090, 12872, 16090, 16120, 19308, 20917, 24135, 24180, 32180, 38616, 41834, 48270, 48360, 49879, 62751, 64360, 83668, 96540, 99758, 104585, 125502, 149637, 167336, 193080, 199516, 209170, 249395, 251004, 299274, 313755, 399032, 418340, 498790, 502008, 598548, 627510, 648427, 748185, 836680, 997580, 1197096, 1255020, 1296854, 1496370, 1945281, 1995160, 2510040, 2593708, 2992740, 3242135, 3890562, 5187416, 5985480, 6484270, 7781124, 9726405, 12968540, 15562248, 19452810, 25937080, 38905620, 77811240]

約数ペア:

[(1, 77811240), (2, 38905620), (3, 25937080), (4, 19452810), (5, 15562248), (6, 12968540), (8, 9726405), (10, 7781124), (12, 6484270), (13, 5985480), (15, 5187416), (20, 3890562), (24, 3242135), (26, 2992740), (30, 2593708), (31, 2510040), (39, 1995160), (40, 1945281), (52, 1496370), (60, 1296854), (62, 1255020), (65, 1197096), (78, 997580), (93, 836680), (104, 748185), (120, 648427), (124, 627510), (130, 598548), (155, 502008), (156, 498790), (186, 418340), (195, 399032), (248, 313755), (260, 299274), (310, 251004), (312, 249395), (372, 209170), (390, 199516), (403, 193080), (465, 167336), (520, 149637), (620, 125502), (744, 104585), (780, 99758), (806, 96540), (930, 83668), (1209, 64360), (1240, 62751), (1560, 49879), (1609, 48360), (1612, 48270), (1860, 41834), (2015, 38616), (2418, 32180), (3218, 24180), (3224, 24135), (3720, 20917), (4030, 19308), (4827, 16120), (4836, 16090), (6045, 12872), (6436, 12090), (8045, 9672), (8060, 9654)]