251289540

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{181}}^1\times {\mathrm{857}}^1$

素因数の和:1059

約数の個数: 120

約数和(自身を含む): 793584792

約数和(自身を除く): 542295252

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 81, 90, 108, 135, 162, 180, 181, 270, 324, 362, 405, 540, 543, 724, 810, 857, 905, 1086, 1620, 1629, 1714, 1810, 2172, 2571, 2715, 3258, 3428, 3620, 4285, 4887, 5142, 5430, 6516, 7713, 8145, 8570, 9774, 10284, 10860, 12855, 14661, 15426, 16290, 17140, 19548, 23139, 24435, 25710, 29322, 30852, 32580, 38565, 46278, 48870, 51420, 58644, 69417, 73305, 77130, 92556, 97740, 115695, 138834, 146610, 154260, 155117, 231390, 277668, 293220, 310234, 347085, 462780, 465351, 620468, 694170, 775585, 930702, 1388340, 1396053, 1551170, 1861404, 2326755, 2792106, 3102340, 4188159, 4653510, 5584212, 6980265, 8376318, 9307020, 12564477, 13960530, 16752636, 20940795, 25128954, 27921060, 41881590, 50257908, 62822385, 83763180, 125644770, 251289540]

約数ペア:

[(1, 251289540), (2, 125644770), (3, 83763180), (4, 62822385), (5, 50257908), (6, 41881590), (9, 27921060), (10, 25128954), (12, 20940795), (15, 16752636), (18, 13960530), (20, 12564477), (27, 9307020), (30, 8376318), (36, 6980265), (45, 5584212), (54, 4653510), (60, 4188159), (81, 3102340), (90, 2792106), (108, 2326755), (135, 1861404), (162, 1551170), (180, 1396053), (181, 1388340), (270, 930702), (324, 775585), (362, 694170), (405, 620468), (540, 465351), (543, 462780), (724, 347085), (810, 310234), (857, 293220), (905, 277668), (1086, 231390), (1620, 155117), (1629, 154260), (1714, 146610), (1810, 138834), (2172, 115695), (2571, 97740), (2715, 92556), (3258, 77130), (3428, 73305), (3620, 69417), (4285, 58644), (4887, 51420), (5142, 48870), (5430, 46278), (6516, 38565), (7713, 32580), (8145, 30852), (8570, 29322), (9774, 25710), (10284, 24435), (10860, 23139), (12855, 19548), (14661, 17140), (15426, 16290)]