2680453880

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^2\times {\mathrm{109}}^1\times {\mathrm{131}}^1$

素因数の和:302

約数の個数: 192

約数和(自身を含む): 6970471200

約数和(自身を除く): 4290017320

約数列:

[1, 2, 4, 5, 8, 10, 13, 19, 20, 26, 38, 40, 52, 65, 76, 95, 104, 109, 130, 131, 152, 190, 218, 247, 260, 262, 361, 380, 436, 494, 520, 524, 545, 655, 722, 760, 872, 988, 1048, 1090, 1235, 1310, 1417, 1444, 1703, 1805, 1976, 2071, 2180, 2470, 2489, 2620, 2834, 2888, 3406, 3610, 4142, 4360, 4693, 4940, 4978, 5240, 5668, 6812, 7085, 7220, 8284, 8515, 9386, 9880, 9956, 10355, 11336, 12445, 13624, 14170, 14279, 14440, 16568, 17030, 18772, 19912, 20710, 23465, 24890, 26923, 28340, 28558, 32357, 34060, 37544, 39349, 41420, 46930, 47291, 49780, 53846, 56680, 57116, 64714, 68120, 71395, 78698, 82840, 93860, 94582, 99560, 107692, 114232, 129428, 134615, 142790, 157396, 161785, 185627, 187720, 189164, 196745, 215384, 236455, 258856, 269230, 271301, 285580, 314792, 323570, 371254, 378328, 393490, 472910, 511537, 538460, 542602, 571160, 614783, 647140, 742508, 786980, 928135, 945820, 1023074, 1076920, 1085204, 1229566, 1294280, 1356505, 1485016, 1573960, 1856270, 1891640, 2046148, 2170408, 2459132, 2557685, 2713010, 3073915, 3526913, 3712540, 4092296, 4918264, 5115370, 5154719, 5426020, 6147830, 7053826, 7425080, 10230740, 10309438, 10852040, 12295660, 14107652, 17634565, 20461480, 20618876, 24591320, 25773595, 28215304, 35269130, 41237752, 51547190, 67011347, 70538260, 103094380, 134022694, 141076520, 206188760, 268045388, 335056735, 536090776, 670113470, 1340226940, 2680453880]

約数ペア:

[(1, 2680453880), (2, 1340226940), (4, 670113470), (5, 536090776), (8, 335056735), (10, 268045388), (13, 206188760), (19, 141076520), (20, 134022694), (26, 103094380), (38, 70538260), (40, 67011347), (52, 51547190), (65, 41237752), (76, 35269130), (95, 28215304), (104, 25773595), (109, 24591320), (130, 20618876), (131, 20461480), (152, 17634565), (190, 14107652), (218, 12295660), (247, 10852040), (260, 10309438), (262, 10230740), (361, 7425080), (380, 7053826), (436, 6147830), (494, 5426020), (520, 5154719), (524, 5115370), (545, 4918264), (655, 4092296), (722, 3712540), (760, 3526913), (872, 3073915), (988, 2713010), (1048, 2557685), (1090, 2459132), (1235, 2170408), (1310, 2046148), (1417, 1891640), (1444, 1856270), (1703, 1573960), (1805, 1485016), (1976, 1356505), (2071, 1294280), (2180, 1229566), (2470, 1085204), (2489, 1076920), (2620, 1023074), (2834, 945820), (2888, 928135), (3406, 786980), (3610, 742508), (4142, 647140), (4360, 614783), (4693, 571160), (4940, 542602), (4978, 538460), (5240, 511537), (5668, 472910), (6812, 393490), (7085, 378328), (7220, 371254), (8284, 323570), (8515, 314792), (9386, 285580), (9880, 271301), (9956, 269230), (10355, 258856), (11336, 236455), (12445, 215384), (13624, 196745), (14170, 189164), (14279, 187720), (14440, 185627), (16568, 161785), (17030, 157396), (18772, 142790), (19912, 134615), (20710, 129428), (23465, 114232), (24890, 107692), (26923, 99560), (28340, 94582), (28558, 93860), (32357, 82840), (34060, 78698), (37544, 71395), (39349, 68120), (41420, 64714), (46930, 57116), (47291, 56680), (49780, 53846)]