312618880

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{2251}}^1$

素因数の和:2308

約数の個数: 128

約数和(自身を含む): 882063360

約数和(自身を除く): 569444480

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 32, 35, 40, 56, 62, 64, 70, 80, 112, 124, 128, 140, 155, 160, 217, 224, 248, 280, 310, 320, 434, 448, 496, 560, 620, 640, 868, 896, 992, 1085, 1120, 1240, 1736, 1984, 2170, 2240, 2251, 2480, 3472, 3968, 4340, 4480, 4502, 4960, 6944, 8680, 9004, 9920, 11255, 13888, 15757, 17360, 18008, 19840, 22510, 27776, 31514, 34720, 36016, 45020, 63028, 69440, 69781, 72032, 78785, 90040, 126056, 138880, 139562, 144064, 157570, 180080, 252112, 279124, 288128, 315140, 348905, 360160, 488467, 504224, 558248, 630280, 697810, 720320, 976934, 1008448, 1116496, 1260560, 1395620, 1440640, 1953868, 2016896, 2232992, 2442335, 2521120, 2791240, 3907736, 4465984, 4884670, 5042240, 5582480, 7815472, 8931968, 9769340, 10084480, 11164960, 15630944, 19538680, 22329920, 31261888, 39077360, 44659840, 62523776, 78154720, 156309440, 312618880]

約数ペア:

[(1, 312618880), (2, 156309440), (4, 78154720), (5, 62523776), (7, 44659840), (8, 39077360), (10, 31261888), (14, 22329920), (16, 19538680), (20, 15630944), (28, 11164960), (31, 10084480), (32, 9769340), (35, 8931968), (40, 7815472), (56, 5582480), (62, 5042240), (64, 4884670), (70, 4465984), (80, 3907736), (112, 2791240), (124, 2521120), (128, 2442335), (140, 2232992), (155, 2016896), (160, 1953868), (217, 1440640), (224, 1395620), (248, 1260560), (280, 1116496), (310, 1008448), (320, 976934), (434, 720320), (448, 697810), (496, 630280), (560, 558248), (620, 504224), (640, 488467), (868, 360160), (896, 348905), (992, 315140), (1085, 288128), (1120, 279124), (1240, 252112), (1736, 180080), (1984, 157570), (2170, 144064), (2240, 139562), (2251, 138880), (2480, 126056), (3472, 90040), (3968, 78785), (4340, 72032), (4480, 69781), (4502, 69440), (4960, 63028), (6944, 45020), (8680, 36016), (9004, 34720), (9920, 31514), (11255, 27776), (13888, 22510), (15757, 19840), (17360, 18008)]