18609240

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{151}}^1$

素因数の和:257

約数の個数: 128

約数和(自身を含む): 61286400

約数和(自身を除く): 42677160

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 60, 65, 78, 79, 104, 120, 130, 151, 156, 158, 195, 237, 260, 302, 312, 316, 390, 395, 453, 474, 520, 604, 632, 755, 780, 790, 906, 948, 1027, 1185, 1208, 1510, 1560, 1580, 1812, 1896, 1963, 2054, 2265, 2370, 3020, 3081, 3160, 3624, 3926, 4108, 4530, 4740, 5135, 5889, 6040, 6162, 7852, 8216, 9060, 9480, 9815, 10270, 11778, 11929, 12324, 15405, 15704, 18120, 19630, 20540, 23556, 23858, 24648, 29445, 30810, 35787, 39260, 41080, 47112, 47716, 58890, 59645, 61620, 71574, 78520, 95432, 117780, 119290, 123240, 143148, 155077, 178935, 235560, 238580, 286296, 310154, 357870, 465231, 477160, 620308, 715740, 775385, 930462, 1240616, 1431480, 1550770, 1860924, 2326155, 3101540, 3721848, 4652310, 6203080, 9304620, 18609240]

約数ペア:

[(1, 18609240), (2, 9304620), (3, 6203080), (4, 4652310), (5, 3721848), (6, 3101540), (8, 2326155), (10, 1860924), (12, 1550770), (13, 1431480), (15, 1240616), (20, 930462), (24, 775385), (26, 715740), (30, 620308), (39, 477160), (40, 465231), (52, 357870), (60, 310154), (65, 286296), (78, 238580), (79, 235560), (104, 178935), (120, 155077), (130, 143148), (151, 123240), (156, 119290), (158, 117780), (195, 95432), (237, 78520), (260, 71574), (302, 61620), (312, 59645), (316, 58890), (390, 47716), (395, 47112), (453, 41080), (474, 39260), (520, 35787), (604, 30810), (632, 29445), (755, 24648), (780, 23858), (790, 23556), (906, 20540), (948, 19630), (1027, 18120), (1185, 15704), (1208, 15405), (1510, 12324), (1560, 11929), (1580, 11778), (1812, 10270), (1896, 9815), (1963, 9480), (2054, 9060), (2265, 8216), (2370, 7852), (3020, 6162), (3081, 6040), (3160, 5889), (3624, 5135), (3926, 4740), (4108, 4530)]