2746640

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{139}}^1$

素因数の和:184

約数の個数: 80

約数和(自身を含む): 7291200

約数和(自身を除く): 4544560

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 19, 20, 26, 38, 40, 52, 65, 76, 80, 95, 104, 130, 139, 152, 190, 208, 247, 260, 278, 304, 380, 494, 520, 556, 695, 760, 988, 1040, 1112, 1235, 1390, 1520, 1807, 1976, 2224, 2470, 2641, 2780, 3614, 3952, 4940, 5282, 5560, 7228, 9035, 9880, 10564, 11120, 13205, 14456, 18070, 19760, 21128, 26410, 28912, 34333, 36140, 42256, 52820, 68666, 72280, 105640, 137332, 144560, 171665, 211280, 274664, 343330, 549328, 686660, 1373320, 2746640]

約数ペア:

[(1, 2746640), (2, 1373320), (4, 686660), (5, 549328), (8, 343330), (10, 274664), (13, 211280), (16, 171665), (19, 144560), (20, 137332), (26, 105640), (38, 72280), (40, 68666), (52, 52820), (65, 42256), (76, 36140), (80, 34333), (95, 28912), (104, 26410), (130, 21128), (139, 19760), (152, 18070), (190, 14456), (208, 13205), (247, 11120), (260, 10564), (278, 9880), (304, 9035), (380, 7228), (494, 5560), (520, 5282), (556, 4940), (695, 3952), (760, 3614), (988, 2780), (1040, 2641), (1112, 2470), (1235, 2224), (1390, 1976), (1520, 1807)]