18805080

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{367}}^1$

素因数の和:449

約数の個数: 128

約数和(自身を含む): 65710080

約数和(自身を除く): 46905000

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 61, 70, 84, 105, 120, 122, 140, 168, 183, 210, 244, 280, 305, 366, 367, 420, 427, 488, 610, 732, 734, 840, 854, 915, 1101, 1220, 1281, 1464, 1468, 1708, 1830, 1835, 2135, 2202, 2440, 2562, 2569, 2936, 3416, 3660, 3670, 4270, 4404, 5124, 5138, 5505, 6405, 7320, 7340, 7707, 8540, 8808, 10248, 10276, 11010, 12810, 12845, 14680, 15414, 17080, 20552, 22020, 22387, 25620, 25690, 30828, 38535, 44040, 44774, 51240, 51380, 61656, 67161, 77070, 89548, 102760, 111935, 134322, 154140, 156709, 179096, 223870, 268644, 308280, 313418, 335805, 447740, 470127, 537288, 626836, 671610, 783545, 895480, 940254, 1253672, 1343220, 1567090, 1880508, 2350635, 2686440, 3134180, 3761016, 4701270, 6268360, 9402540, 18805080]

約数ペア:

[(1, 18805080), (2, 9402540), (3, 6268360), (4, 4701270), (5, 3761016), (6, 3134180), (7, 2686440), (8, 2350635), (10, 1880508), (12, 1567090), (14, 1343220), (15, 1253672), (20, 940254), (21, 895480), (24, 783545), (28, 671610), (30, 626836), (35, 537288), (40, 470127), (42, 447740), (56, 335805), (60, 313418), (61, 308280), (70, 268644), (84, 223870), (105, 179096), (120, 156709), (122, 154140), (140, 134322), (168, 111935), (183, 102760), (210, 89548), (244, 77070), (280, 67161), (305, 61656), (366, 51380), (367, 51240), (420, 44774), (427, 44040), (488, 38535), (610, 30828), (732, 25690), (734, 25620), (840, 22387), (854, 22020), (915, 20552), (1101, 17080), (1220, 15414), (1281, 14680), (1464, 12845), (1468, 12810), (1708, 11010), (1830, 10276), (1835, 10248), (2135, 8808), (2202, 8540), (2440, 7707), (2562, 7340), (2569, 7320), (2936, 6405), (3416, 5505), (3660, 5138), (3670, 5124), (4270, 4404)]