25144380

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{163}}^1\times {\mathrm{857}}^1$

素因数の和:1035

約数の個数: 72

約数和(自身を含む): 76828752

約数和(自身を除く): 51684372

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 163, 180, 326, 489, 652, 815, 857, 978, 1467, 1630, 1714, 1956, 2445, 2571, 2934, 3260, 3428, 4285, 4890, 5142, 5868, 7335, 7713, 8570, 9780, 10284, 12855, 14670, 15426, 17140, 25710, 29340, 30852, 38565, 51420, 77130, 139691, 154260, 279382, 419073, 558764, 698455, 838146, 1257219, 1396910, 1676292, 2095365, 2514438, 2793820, 4190730, 5028876, 6286095, 8381460, 12572190, 25144380]

約数ペア:

[(1, 25144380), (2, 12572190), (3, 8381460), (4, 6286095), (5, 5028876), (6, 4190730), (9, 2793820), (10, 2514438), (12, 2095365), (15, 1676292), (18, 1396910), (20, 1257219), (30, 838146), (36, 698455), (45, 558764), (60, 419073), (90, 279382), (163, 154260), (180, 139691), (326, 77130), (489, 51420), (652, 38565), (815, 30852), (857, 29340), (978, 25710), (1467, 17140), (1630, 15426), (1714, 14670), (1956, 12855), (2445, 10284), (2571, 9780), (2934, 8570), (3260, 7713), (3428, 7335), (4285, 5868), (4890, 5142)]