20430480

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{12161}}^1$

素因数の和:12184

約数の個数: 80

約数和(自身を含む): 72388224

約数和(自身を除く): 51957744

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 56, 60, 70, 80, 84, 105, 112, 120, 140, 168, 210, 240, 280, 336, 420, 560, 840, 1680, 12161, 24322, 36483, 48644, 60805, 72966, 85127, 97288, 121610, 145932, 170254, 182415, 194576, 243220, 255381, 291864, 340508, 364830, 425635, 486440, 510762, 583728, 681016, 729660, 851270, 972880, 1021524, 1276905, 1362032, 1459320, 1702540, 2043048, 2553810, 2918640, 3405080, 4086096, 5107620, 6810160, 10215240, 20430480]

約数ペア:

[(1, 20430480), (2, 10215240), (3, 6810160), (4, 5107620), (5, 4086096), (6, 3405080), (7, 2918640), (8, 2553810), (10, 2043048), (12, 1702540), (14, 1459320), (15, 1362032), (16, 1276905), (20, 1021524), (21, 972880), (24, 851270), (28, 729660), (30, 681016), (35, 583728), (40, 510762), (42, 486440), (48, 425635), (56, 364830), (60, 340508), (70, 291864), (80, 255381), (84, 243220), (105, 194576), (112, 182415), (120, 170254), (140, 145932), (168, 121610), (210, 97288), (240, 85127), (280, 72966), (336, 60805), (420, 48644), (560, 36483), (840, 24322), (1680, 12161)]