400725720

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{163}}^1\times {\mathrm{6829}}^1$

素因数の和:7009

約数の個数: 96

約数和(自身を含む): 1310540400

約数和(自身を除く): 909814680

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 163, 180, 326, 360, 489, 652, 815, 978, 1304, 1467, 1630, 1956, 2445, 2934, 3260, 3912, 4890, 5868, 6520, 6829, 7335, 9780, 11736, 13658, 14670, 19560, 20487, 27316, 29340, 34145, 40974, 54632, 58680, 61461, 68290, 81948, 102435, 122922, 136580, 163896, 204870, 245844, 273160, 307305, 409740, 491688, 614610, 819480, 1113127, 1229220, 2226254, 2458440, 3339381, 4452508, 5565635, 6678762, 8905016, 10018143, 11131270, 13357524, 16696905, 20036286, 22262540, 26715048, 33393810, 40072572, 44525080, 50090715, 66787620, 80145144, 100181430, 133575240, 200362860, 400725720]

約数ペア:

[(1, 400725720), (2, 200362860), (3, 133575240), (4, 100181430), (5, 80145144), (6, 66787620), (8, 50090715), (9, 44525080), (10, 40072572), (12, 33393810), (15, 26715048), (18, 22262540), (20, 20036286), (24, 16696905), (30, 13357524), (36, 11131270), (40, 10018143), (45, 8905016), (60, 6678762), (72, 5565635), (90, 4452508), (120, 3339381), (163, 2458440), (180, 2226254), (326, 1229220), (360, 1113127), (489, 819480), (652, 614610), (815, 491688), (978, 409740), (1304, 307305), (1467, 273160), (1630, 245844), (1956, 204870), (2445, 163896), (2934, 136580), (3260, 122922), (3912, 102435), (4890, 81948), (5868, 68290), (6520, 61461), (6829, 58680), (7335, 54632), (9780, 40974), (11736, 34145), (13658, 29340), (14670, 27316), (19560, 20487)]