64998960

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{251}}^1$

素因数の和:363

約数の個数: 160

約数和(自身を含む): 220485888

約数和(自身を除く): 155486928

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 39, 40, 48, 52, 60, 65, 78, 80, 83, 104, 120, 130, 156, 166, 195, 208, 240, 249, 251, 260, 312, 332, 390, 415, 498, 502, 520, 624, 664, 753, 780, 830, 996, 1004, 1040, 1079, 1245, 1255, 1328, 1506, 1560, 1660, 1992, 2008, 2158, 2490, 2510, 3012, 3120, 3237, 3263, 3320, 3765, 3984, 4016, 4316, 4980, 5020, 5395, 6024, 6474, 6526, 6640, 7530, 8632, 9789, 9960, 10040, 10790, 12048, 12948, 13052, 15060, 16185, 16315, 17264, 19578, 19920, 20080, 20833, 21580, 25896, 26104, 30120, 32370, 32630, 39156, 41666, 43160, 48945, 51792, 52208, 60240, 62499, 64740, 65260, 78312, 83332, 86320, 97890, 104165, 124998, 129480, 130520, 156624, 166664, 195780, 208330, 249996, 258960, 261040, 270829, 312495, 333328, 391560, 416660, 499992, 541658, 624990, 783120, 812487, 833320, 999984, 1083316, 1249980, 1354145, 1624974, 1666640, 2166632, 2499960, 2708290, 3249948, 4062435, 4333264, 4999920, 5416580, 6499896, 8124870, 10833160, 12999792, 16249740, 21666320, 32499480, 64998960]

約数ペア:

[(1, 64998960), (2, 32499480), (3, 21666320), (4, 16249740), (5, 12999792), (6, 10833160), (8, 8124870), (10, 6499896), (12, 5416580), (13, 4999920), (15, 4333264), (16, 4062435), (20, 3249948), (24, 2708290), (26, 2499960), (30, 2166632), (39, 1666640), (40, 1624974), (48, 1354145), (52, 1249980), (60, 1083316), (65, 999984), (78, 833320), (80, 812487), (83, 783120), (104, 624990), (120, 541658), (130, 499992), (156, 416660), (166, 391560), (195, 333328), (208, 312495), (240, 270829), (249, 261040), (251, 258960), (260, 249996), (312, 208330), (332, 195780), (390, 166664), (415, 156624), (498, 130520), (502, 129480), (520, 124998), (624, 104165), (664, 97890), (753, 86320), (780, 83332), (830, 78312), (996, 65260), (1004, 64740), (1040, 62499), (1079, 60240), (1245, 52208), (1255, 51792), (1328, 48945), (1506, 43160), (1560, 41666), (1660, 39156), (1992, 32630), (2008, 32370), (2158, 30120), (2490, 26104), (2510, 25896), (3012, 21580), (3120, 20833), (3237, 20080), (3263, 19920), (3320, 19578), (3765, 17264), (3984, 16315), (4016, 16185), (4316, 15060), (4980, 13052), (5020, 12948), (5395, 12048), (6024, 10790), (6474, 10040), (6526, 9960), (6640, 9789), (7530, 8632)]