15666720

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{127}}^1\times {\mathrm{257}}^1$

素因数の和:402

約数の個数: 96

約数和(自身を含む): 49932288

約数和(自身を除く): 34265568

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 80, 96, 120, 127, 160, 240, 254, 257, 381, 480, 508, 514, 635, 762, 771, 1016, 1028, 1270, 1285, 1524, 1542, 1905, 2032, 2056, 2540, 2570, 3048, 3084, 3810, 3855, 4064, 4112, 5080, 5140, 6096, 6168, 7620, 7710, 8224, 10160, 10280, 12192, 12336, 15240, 15420, 20320, 20560, 24672, 30480, 30840, 32639, 41120, 60960, 61680, 65278, 97917, 123360, 130556, 163195, 195834, 261112, 326390, 391668, 489585, 522224, 652780, 783336, 979170, 1044448, 1305560, 1566672, 1958340, 2611120, 3133344, 3916680, 5222240, 7833360, 15666720]

約数ペア:

[(1, 15666720), (2, 7833360), (3, 5222240), (4, 3916680), (5, 3133344), (6, 2611120), (8, 1958340), (10, 1566672), (12, 1305560), (15, 1044448), (16, 979170), (20, 783336), (24, 652780), (30, 522224), (32, 489585), (40, 391668), (48, 326390), (60, 261112), (80, 195834), (96, 163195), (120, 130556), (127, 123360), (160, 97917), (240, 65278), (254, 61680), (257, 60960), (381, 41120), (480, 32639), (508, 30840), (514, 30480), (635, 24672), (762, 20560), (771, 20320), (1016, 15420), (1028, 15240), (1270, 12336), (1285, 12192), (1524, 10280), (1542, 10160), (1905, 8224), (2032, 7710), (2056, 7620), (2540, 6168), (2570, 6096), (3048, 5140), (3084, 5080), (3810, 4112), (3855, 4064)]