78387480

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{181}}^1\times {\mathrm{401}}^1$

素因数の和:602

約数の個数: 128

約数和(自身を含む): 263390400

約数和(自身を除く): 185002920

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 90, 108, 120, 135, 180, 181, 216, 270, 360, 362, 401, 540, 543, 724, 802, 905, 1080, 1086, 1203, 1448, 1604, 1629, 1810, 2005, 2172, 2406, 2715, 3208, 3258, 3609, 3620, 4010, 4344, 4812, 4887, 5430, 6015, 6516, 7218, 7240, 8020, 8145, 9624, 9774, 10827, 10860, 12030, 13032, 14436, 16040, 16290, 18045, 19548, 21654, 21720, 24060, 24435, 28872, 32580, 36090, 39096, 43308, 48120, 48870, 54135, 65160, 72180, 72581, 86616, 97740, 108270, 144360, 145162, 195480, 216540, 217743, 290324, 362905, 433080, 435486, 580648, 653229, 725810, 870972, 1088715, 1306458, 1451620, 1741944, 1959687, 2177430, 2612916, 2903240, 3266145, 3919374, 4354860, 5225832, 6532290, 7838748, 8709720, 9798435, 13064580, 15677496, 19596870, 26129160, 39193740, 78387480]

約数ペア:

[(1, 78387480), (2, 39193740), (3, 26129160), (4, 19596870), (5, 15677496), (6, 13064580), (8, 9798435), (9, 8709720), (10, 7838748), (12, 6532290), (15, 5225832), (18, 4354860), (20, 3919374), (24, 3266145), (27, 2903240), (30, 2612916), (36, 2177430), (40, 1959687), (45, 1741944), (54, 1451620), (60, 1306458), (72, 1088715), (90, 870972), (108, 725810), (120, 653229), (135, 580648), (180, 435486), (181, 433080), (216, 362905), (270, 290324), (360, 217743), (362, 216540), (401, 195480), (540, 145162), (543, 144360), (724, 108270), (802, 97740), (905, 86616), (1080, 72581), (1086, 72180), (1203, 65160), (1448, 54135), (1604, 48870), (1629, 48120), (1810, 43308), (2005, 39096), (2172, 36090), (2406, 32580), (2715, 28872), (3208, 24435), (3258, 24060), (3609, 21720), (3620, 21654), (4010, 19548), (4344, 18045), (4812, 16290), (4887, 16040), (5430, 14436), (6015, 13032), (6516, 12030), (7218, 10860), (7240, 10827), (8020, 9774), (8145, 9624)]