78836580

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{163}}^1\times {\mathrm{2687}}^1$

素因数の和:2865

約数の個数: 72

約数和(自身を含む): 240694272

約数和(自身を除く): 161857692

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, 2687, 2934, 3260, 4890, 5374, 5868, 7335, 8061, 9780, 10748, 13435, 14670, 16122, 24183, 26870, 29340, 32244, 40305, 48366, 53740, 80610, 96732, 120915, 161220, 241830, 437981, 483660, 875962, 1313943, 1751924, 2189905, 2627886, 3941829, 4379810, 5255772, 6569715, 7883658, 8759620, 13139430, 15767316, 19709145, 26278860, 39418290, 78836580]

約数ペア:

[(1, 78836580), (2, 39418290), (3, 26278860), (4, 19709145), (5, 15767316), (6, 13139430), (9, 8759620), (10, 7883658), (12, 6569715), (15, 5255772), (18, 4379810), (20, 3941829), (30, 2627886), (36, 2189905), (45, 1751924), (60, 1313943), (90, 875962), (163, 483660), (180, 437981), (326, 241830), (489, 161220), (652, 120915), (815, 96732), (978, 80610), (1467, 53740), (1630, 48366), (1956, 40305), (2445, 32244), (2687, 29340), (2934, 26870), (3260, 24183), (4890, 16122), (5374, 14670), (5868, 13435), (7335, 10748), (8061, 9780)]