64610520

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{499}}^1$

素因数の和:609

約数の個数: 128

約数和(自身を含む): 211680000

約数和(自身を除く): 147069480

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 60, 65, 78, 83, 104, 120, 130, 156, 166, 195, 249, 260, 312, 332, 390, 415, 498, 499, 520, 664, 780, 830, 996, 998, 1079, 1245, 1497, 1560, 1660, 1992, 1996, 2158, 2490, 2495, 2994, 3237, 3320, 3992, 4316, 4980, 4990, 5395, 5988, 6474, 6487, 7485, 8632, 9960, 9980, 10790, 11976, 12948, 12974, 14970, 16185, 19461, 19960, 21580, 25896, 25948, 29940, 32370, 32435, 38922, 41417, 43160, 51896, 59880, 64740, 64870, 77844, 82834, 97305, 124251, 129480, 129740, 155688, 165668, 194610, 207085, 248502, 259480, 331336, 389220, 414170, 497004, 538421, 621255, 778440, 828340, 994008, 1076842, 1242510, 1615263, 1656680, 2153684, 2485020, 2692105, 3230526, 4307368, 4970040, 5384210, 6461052, 8076315, 10768420, 12922104, 16152630, 21536840, 32305260, 64610520]

約数ペア:

[(1, 64610520), (2, 32305260), (3, 21536840), (4, 16152630), (5, 12922104), (6, 10768420), (8, 8076315), (10, 6461052), (12, 5384210), (13, 4970040), (15, 4307368), (20, 3230526), (24, 2692105), (26, 2485020), (30, 2153684), (39, 1656680), (40, 1615263), (52, 1242510), (60, 1076842), (65, 994008), (78, 828340), (83, 778440), (104, 621255), (120, 538421), (130, 497004), (156, 414170), (166, 389220), (195, 331336), (249, 259480), (260, 248502), (312, 207085), (332, 194610), (390, 165668), (415, 155688), (498, 129740), (499, 129480), (520, 124251), (664, 97305), (780, 82834), (830, 77844), (996, 64870), (998, 64740), (1079, 59880), (1245, 51896), (1497, 43160), (1560, 41417), (1660, 38922), (1992, 32435), (1996, 32370), (2158, 29940), (2490, 25948), (2495, 25896), (2994, 21580), (3237, 19960), (3320, 19461), (3992, 16185), (4316, 14970), (4980, 12974), (4990, 12948), (5395, 11976), (5988, 10790), (6474, 9980), (6487, 9960), (7485, 8632)]