209498640

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{809}}^1$

素因数の和:921

約数の個数: 160

約数和(自身を含む): 708704640

約数和(自身を除く): 499206000

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, 260, 312, 332, 390, 415, 498, 520, 624, 664, 780, 809, 830, 996, 1040, 1079, 1245, 1328, 1560, 1618, 1660, 1992, 2158, 2427, 2490, 3120, 3236, 3237, 3320, 3984, 4045, 4316, 4854, 4980, 5395, 6472, 6474, 6640, 8090, 8632, 9708, 9960, 10517, 10790, 12135, 12944, 12948, 16180, 16185, 17264, 19416, 19920, 21034, 21580, 24270, 25896, 31551, 32360, 32370, 38832, 42068, 43160, 48540, 51792, 52585, 63102, 64720, 64740, 67147, 84136, 86320, 97080, 105170, 126204, 129480, 134294, 157755, 168272, 194160, 201441, 210340, 252408, 258960, 268588, 315510, 335735, 402882, 420680, 504816, 537176, 631020, 671470, 805764, 841360, 872911, 1007205, 1074352, 1262040, 1342940, 1611528, 1745822, 2014410, 2524080, 2618733, 2685880, 3223056, 3491644, 4028820, 4364555, 5237466, 5371760, 6983288, 8057640, 8729110, 10474932, 13093665, 13966576, 16115280, 17458220, 20949864, 26187330, 34916440, 41899728, 52374660, 69832880, 104749320, 209498640]

約数ペア:

[(1, 209498640), (2, 104749320), (3, 69832880), (4, 52374660), (5, 41899728), (6, 34916440), (8, 26187330), (10, 20949864), (12, 17458220), (13, 16115280), (15, 13966576), (16, 13093665), (20, 10474932), (24, 8729110), (26, 8057640), (30, 6983288), (39, 5371760), (40, 5237466), (48, 4364555), (52, 4028820), (60, 3491644), (65, 3223056), (78, 2685880), (80, 2618733), (83, 2524080), (104, 2014410), (120, 1745822), (130, 1611528), (156, 1342940), (166, 1262040), (195, 1074352), (208, 1007205), (240, 872911), (249, 841360), (260, 805764), (312, 671470), (332, 631020), (390, 537176), (415, 504816), (498, 420680), (520, 402882), (624, 335735), (664, 315510), (780, 268588), (809, 258960), (830, 252408), (996, 210340), (1040, 201441), (1079, 194160), (1245, 168272), (1328, 157755), (1560, 134294), (1618, 129480), (1660, 126204), (1992, 105170), (2158, 97080), (2427, 86320), (2490, 84136), (3120, 67147), (3236, 64740), (3237, 64720), (3320, 63102), (3984, 52585), (4045, 51792), (4316, 48540), (4854, 43160), (4980, 42068), (5395, 38832), (6472, 32370), (6474, 32360), (6640, 31551), (8090, 25896), (8632, 24270), (9708, 21580), (9960, 21034), (10517, 19920), (10790, 19416), (12135, 17264), (12944, 16185), (12948, 16180)]