91467880

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{107}}^1$

素因数の和:239

約数の個数: 128

約数和(自身を含む): 246343680

約数和(自身を除く): 154875800

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 43, 56, 70, 71, 86, 107, 140, 142, 172, 214, 215, 280, 284, 301, 344, 355, 428, 430, 497, 535, 568, 602, 710, 749, 856, 860, 994, 1070, 1204, 1420, 1498, 1505, 1720, 1988, 2140, 2408, 2485, 2840, 2996, 3010, 3053, 3745, 3976, 4280, 4601, 4970, 5992, 6020, 6106, 7490, 7597, 9202, 9940, 12040, 12212, 14980, 15194, 15265, 18404, 19880, 21371, 23005, 24424, 29960, 30388, 30530, 32207, 36808, 37985, 42742, 46010, 53179, 60776, 61060, 64414, 75970, 85484, 92020, 106358, 106855, 122120, 128828, 151940, 161035, 170968, 184040, 212716, 213710, 257656, 265895, 303880, 322070, 326671, 425432, 427420, 531790, 644140, 653342, 854840, 1063580, 1288280, 1306684, 1633355, 2127160, 2286697, 2613368, 3266710, 4573394, 6533420, 9146788, 11433485, 13066840, 18293576, 22866970, 45733940, 91467880]

約数ペア:

[(1, 91467880), (2, 45733940), (4, 22866970), (5, 18293576), (7, 13066840), (8, 11433485), (10, 9146788), (14, 6533420), (20, 4573394), (28, 3266710), (35, 2613368), (40, 2286697), (43, 2127160), (56, 1633355), (70, 1306684), (71, 1288280), (86, 1063580), (107, 854840), (140, 653342), (142, 644140), (172, 531790), (214, 427420), (215, 425432), (280, 326671), (284, 322070), (301, 303880), (344, 265895), (355, 257656), (428, 213710), (430, 212716), (497, 184040), (535, 170968), (568, 161035), (602, 151940), (710, 128828), (749, 122120), (856, 106855), (860, 106358), (994, 92020), (1070, 85484), (1204, 75970), (1420, 64414), (1498, 61060), (1505, 60776), (1720, 53179), (1988, 46010), (2140, 42742), (2408, 37985), (2485, 36808), (2840, 32207), (2996, 30530), (3010, 30388), (3053, 29960), (3745, 24424), (3976, 23005), (4280, 21371), (4601, 19880), (4970, 18404), (5992, 15265), (6020, 15194), (6106, 14980), (7490, 12212), (7597, 12040), (9202, 9940)]