78543180

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{163}}^1\times {\mathrm{2677}}^1$

素因数の和:2855

約数の個数: 72

約数和(自身を含む): 239798832

約数和(自身を除く): 161255652

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, 978, 1467, 1630, 1956, 2445, 2677, 2934, 3260, 4890, 5354, 5868, 7335, 8031, 9780, 10708, 13385, 14670, 16062, 24093, 26770, 29340, 32124, 40155, 48186, 53540, 80310, 96372, 120465, 160620, 240930, 436351, 481860, 872702, 1309053, 1745404, 2181755, 2618106, 3927159, 4363510, 5236212, 6545265, 7854318, 8727020, 13090530, 15708636, 19635795, 26181060, 39271590, 78543180]

約数ペア:

[(1, 78543180), (2, 39271590), (3, 26181060), (4, 19635795), (5, 15708636), (6, 13090530), (9, 8727020), (10, 7854318), (12, 6545265), (15, 5236212), (18, 4363510), (20, 3927159), (30, 2618106), (36, 2181755), (45, 1745404), (60, 1309053), (90, 872702), (163, 481860), (180, 436351), (326, 240930), (489, 160620), (652, 120465), (815, 96372), (978, 80310), (1467, 53540), (1630, 48186), (1956, 40155), (2445, 32124), (2677, 29340), (2934, 26770), (3260, 24093), (4890, 16062), (5354, 14670), (5868, 13385), (7335, 10708), (8031, 9780)]