18531240

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{1697}}^1$

素因数の和:1731

約数の個数: 128

約数和(自身を含む): 68463360

約数和(自身を除く): 49932120

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 13, 14, 15, 20, 21, 24, 26, 28, 30, 35, 39, 40, 42, 52, 56, 60, 65, 70, 78, 84, 91, 104, 105, 120, 130, 140, 156, 168, 182, 195, 210, 260, 273, 280, 312, 364, 390, 420, 455, 520, 546, 728, 780, 840, 910, 1092, 1365, 1560, 1697, 1820, 2184, 2730, 3394, 3640, 5091, 5460, 6788, 8485, 10182, 10920, 11879, 13576, 16970, 20364, 22061, 23758, 25455, 33940, 35637, 40728, 44122, 47516, 50910, 59395, 66183, 67880, 71274, 88244, 95032, 101820, 110305, 118790, 132366, 142548, 154427, 176488, 178185, 203640, 220610, 237580, 264732, 285096, 308854, 330915, 356370, 441220, 463281, 475160, 529464, 617708, 661830, 712740, 772135, 882440, 926562, 1235416, 1323660, 1425480, 1544270, 1853124, 2316405, 2647320, 3088540, 3706248, 4632810, 6177080, 9265620, 18531240]

約数ペア:

[(1, 18531240), (2, 9265620), (3, 6177080), (4, 4632810), (5, 3706248), (6, 3088540), (7, 2647320), (8, 2316405), (10, 1853124), (12, 1544270), (13, 1425480), (14, 1323660), (15, 1235416), (20, 926562), (21, 882440), (24, 772135), (26, 712740), (28, 661830), (30, 617708), (35, 529464), (39, 475160), (40, 463281), (42, 441220), (52, 356370), (56, 330915), (60, 308854), (65, 285096), (70, 264732), (78, 237580), (84, 220610), (91, 203640), (104, 178185), (105, 176488), (120, 154427), (130, 142548), (140, 132366), (156, 118790), (168, 110305), (182, 101820), (195, 95032), (210, 88244), (260, 71274), (273, 67880), (280, 66183), (312, 59395), (364, 50910), (390, 47516), (420, 44122), (455, 40728), (520, 35637), (546, 33940), (728, 25455), (780, 23758), (840, 22061), (910, 20364), (1092, 16970), (1365, 13576), (1560, 11879), (1697, 10920), (1820, 10182), (2184, 8485), (2730, 6788), (3394, 5460), (3640, 5091)]