7191320

素因数分解:

$2^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{113}}^1$

素因数の和:204

約数の個数: 64

約数和(自身を含む): 17154720

約数和(自身を除く): 9963400

約数列:

[1, 2, 4, 5, 8, 10, 20, 37, 40, 43, 74, 86, 113, 148, 172, 185, 215, 226, 296, 344, 370, 430, 452, 565, 740, 860, 904, 1130, 1480, 1591, 1720, 2260, 3182, 4181, 4520, 4859, 6364, 7955, 8362, 9718, 12728, 15910, 16724, 19436, 20905, 24295, 31820, 33448, 38872, 41810, 48590, 63640, 83620, 97180, 167240, 179783, 194360, 359566, 719132, 898915, 1438264, 1797830, 3595660, 7191320]

約数ペア:

[(1, 7191320), (2, 3595660), (4, 1797830), (5, 1438264), (8, 898915), (10, 719132), (20, 359566), (37, 194360), (40, 179783), (43, 167240), (74, 97180), (86, 83620), (113, 63640), (148, 48590), (172, 41810), (185, 38872), (215, 33448), (226, 31820), (296, 24295), (344, 20905), (370, 19436), (430, 16724), (452, 15910), (565, 12728), (740, 9718), (860, 8362), (904, 7955), (1130, 6364), (1480, 4859), (1591, 4520), (1720, 4181), (2260, 3182)]