15393040

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^2\times {\mathrm{41}}^1$

素因数の和:105

約数の個数: 120

約数和(自身を含む): 41669208

約数和(自身を除く): 26276168

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 19, 20, 26, 38, 40, 41, 52, 65, 76, 80, 82, 95, 104, 130, 152, 164, 190, 205, 208, 247, 260, 304, 328, 361, 380, 410, 494, 520, 533, 656, 722, 760, 779, 820, 988, 1040, 1066, 1235, 1444, 1520, 1558, 1640, 1805, 1976, 2132, 2470, 2665, 2888, 3116, 3280, 3610, 3895, 3952, 4264, 4693, 4940, 5330, 5776, 6232, 7220, 7790, 8528, 9386, 9880, 10127, 10660, 12464, 14440, 14801, 15580, 18772, 19760, 20254, 21320, 23465, 28880, 29602, 31160, 37544, 40508, 42640, 46930, 50635, 59204, 62320, 74005, 75088, 81016, 93860, 101270, 118408, 148010, 162032, 187720, 192413, 202540, 236816, 296020, 375440, 384826, 405080, 592040, 769652, 810160, 962065, 1184080, 1539304, 1924130, 3078608, 3848260, 7696520, 15393040]

約数ペア:

[(1, 15393040), (2, 7696520), (4, 3848260), (5, 3078608), (8, 1924130), (10, 1539304), (13, 1184080), (16, 962065), (19, 810160), (20, 769652), (26, 592040), (38, 405080), (40, 384826), (41, 375440), (52, 296020), (65, 236816), (76, 202540), (80, 192413), (82, 187720), (95, 162032), (104, 148010), (130, 118408), (152, 101270), (164, 93860), (190, 81016), (205, 75088), (208, 74005), (247, 62320), (260, 59204), (304, 50635), (328, 46930), (361, 42640), (380, 40508), (410, 37544), (494, 31160), (520, 29602), (533, 28880), (656, 23465), (722, 21320), (760, 20254), (779, 19760), (820, 18772), (988, 15580), (1040, 14801), (1066, 14440), (1235, 12464), (1444, 10660), (1520, 10127), (1558, 9880), (1640, 9386), (1805, 8528), (1976, 7790), (2132, 7220), (2470, 6232), (2665, 5776), (2888, 5330), (3116, 4940), (3280, 4693), (3610, 4264), (3895, 3952)]