290288960

素因数分解:

$2^6\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{2251}}^1$

素因数の和:2312

約数の個数: 112

約数和(自身を含む): 768778752

約数和(自身を除く): 478489792

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 31, 32, 40, 52, 62, 64, 65, 80, 104, 124, 130, 155, 160, 208, 248, 260, 310, 320, 403, 416, 496, 520, 620, 806, 832, 992, 1040, 1240, 1612, 1984, 2015, 2080, 2251, 2480, 3224, 4030, 4160, 4502, 4960, 6448, 8060, 9004, 9920, 11255, 12896, 16120, 18008, 22510, 25792, 29263, 32240, 36016, 45020, 58526, 64480, 69781, 72032, 90040, 117052, 128960, 139562, 144064, 146315, 180080, 234104, 279124, 292630, 348905, 360160, 468208, 558248, 585260, 697810, 720320, 907153, 936416, 1116496, 1170520, 1395620, 1814306, 1872832, 2232992, 2341040, 2791240, 3628612, 4465984, 4535765, 4682080, 5582480, 7257224, 9071530, 9364160, 11164960, 14514448, 18143060, 22329920, 29028896, 36286120, 58057792, 72572240, 145144480, 290288960]

約数ペア:

[(1, 290288960), (2, 145144480), (4, 72572240), (5, 58057792), (8, 36286120), (10, 29028896), (13, 22329920), (16, 18143060), (20, 14514448), (26, 11164960), (31, 9364160), (32, 9071530), (40, 7257224), (52, 5582480), (62, 4682080), (64, 4535765), (65, 4465984), (80, 3628612), (104, 2791240), (124, 2341040), (130, 2232992), (155, 1872832), (160, 1814306), (208, 1395620), (248, 1170520), (260, 1116496), (310, 936416), (320, 907153), (403, 720320), (416, 697810), (496, 585260), (520, 558248), (620, 468208), (806, 360160), (832, 348905), (992, 292630), (1040, 279124), (1240, 234104), (1612, 180080), (1984, 146315), (2015, 144064), (2080, 139562), (2251, 128960), (2480, 117052), (3224, 90040), (4030, 72032), (4160, 69781), (4502, 64480), (4960, 58526), (6448, 45020), (8060, 36016), (9004, 32240), (9920, 29263), (11255, 25792), (12896, 22510), (16120, 18008)]