154217560

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{109}}^1\times {\mathrm{163}}^1$

素因数の和:321

約数の個数: 128

約数和(自身を含む): 415641600

約数和(自身を除く): 261424040

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 31, 35, 40, 56, 62, 70, 109, 124, 140, 155, 163, 217, 218, 248, 280, 310, 326, 434, 436, 545, 620, 652, 763, 815, 868, 872, 1085, 1090, 1141, 1240, 1304, 1526, 1630, 1736, 2170, 2180, 2282, 3052, 3260, 3379, 3815, 4340, 4360, 4564, 5053, 5705, 6104, 6520, 6758, 7630, 8680, 9128, 10106, 11410, 13516, 15260, 16895, 17767, 20212, 22820, 23653, 25265, 27032, 30520, 33790, 35371, 35534, 40424, 45640, 47306, 50530, 67580, 70742, 71068, 88835, 94612, 101060, 118265, 124369, 135160, 141484, 142136, 176855, 177670, 189224, 202120, 236530, 248738, 282968, 353710, 355340, 473060, 497476, 550777, 621845, 707420, 710680, 946120, 994952, 1101554, 1243690, 1414840, 2203108, 2487380, 2753885, 3855439, 4406216, 4974760, 5507770, 7710878, 11015540, 15421756, 19277195, 22031080, 30843512, 38554390, 77108780, 154217560]

約数ペア:

[(1, 154217560), (2, 77108780), (4, 38554390), (5, 30843512), (7, 22031080), (8, 19277195), (10, 15421756), (14, 11015540), (20, 7710878), (28, 5507770), (31, 4974760), (35, 4406216), (40, 3855439), (56, 2753885), (62, 2487380), (70, 2203108), (109, 1414840), (124, 1243690), (140, 1101554), (155, 994952), (163, 946120), (217, 710680), (218, 707420), (248, 621845), (280, 550777), (310, 497476), (326, 473060), (434, 355340), (436, 353710), (545, 282968), (620, 248738), (652, 236530), (763, 202120), (815, 189224), (868, 177670), (872, 176855), (1085, 142136), (1090, 141484), (1141, 135160), (1240, 124369), (1304, 118265), (1526, 101060), (1630, 94612), (1736, 88835), (2170, 71068), (2180, 70742), (2282, 67580), (3052, 50530), (3260, 47306), (3379, 45640), (3815, 40424), (4340, 35534), (4360, 35371), (4564, 33790), (5053, 30520), (5705, 27032), (6104, 25265), (6520, 23653), (6758, 22820), (7630, 20212), (8680, 17767), (9128, 16895), (10106, 15260), (11410, 13516)]