21270480

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{1151}}^1$

素因数の和:1185

約数の個数: 160

約数和(自身を含む): 82280448

約数和(自身を除く): 61009968

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 11, 12, 14, 15, 16, 20, 21, 22, 24, 28, 30, 33, 35, 40, 42, 44, 48, 55, 56, 60, 66, 70, 77, 80, 84, 88, 105, 110, 112, 120, 132, 140, 154, 165, 168, 176, 210, 220, 231, 240, 264, 280, 308, 330, 336, 385, 420, 440, 462, 528, 560, 616, 660, 770, 840, 880, 924, 1151, 1155, 1232, 1320, 1540, 1680, 1848, 2302, 2310, 2640, 3080, 3453, 3696, 4604, 4620, 5755, 6160, 6906, 8057, 9208, 9240, 11510, 12661, 13812, 16114, 17265, 18416, 18480, 23020, 24171, 25322, 27624, 32228, 34530, 37983, 40285, 46040, 48342, 50644, 55248, 63305, 64456, 69060, 75966, 80570, 88627, 92080, 96684, 101288, 120855, 126610, 128912, 138120, 151932, 161140, 177254, 189915, 193368, 202576, 241710, 253220, 265881, 276240, 303864, 322280, 354508, 379830, 386736, 443135, 483420, 506440, 531762, 607728, 644560, 709016, 759660, 886270, 966840, 1012880, 1063524, 1329405, 1418032, 1519320, 1772540, 1933680, 2127048, 2658810, 3038640, 3545080, 4254096, 5317620, 7090160, 10635240, 21270480]

約数ペア:

[(1, 21270480), (2, 10635240), (3, 7090160), (4, 5317620), (5, 4254096), (6, 3545080), (7, 3038640), (8, 2658810), (10, 2127048), (11, 1933680), (12, 1772540), (14, 1519320), (15, 1418032), (16, 1329405), (20, 1063524), (21, 1012880), (22, 966840), (24, 886270), (28, 759660), (30, 709016), (33, 644560), (35, 607728), (40, 531762), (42, 506440), (44, 483420), (48, 443135), (55, 386736), (56, 379830), (60, 354508), (66, 322280), (70, 303864), (77, 276240), (80, 265881), (84, 253220), (88, 241710), (105, 202576), (110, 193368), (112, 189915), (120, 177254), (132, 161140), (140, 151932), (154, 138120), (165, 128912), (168, 126610), (176, 120855), (210, 101288), (220, 96684), (231, 92080), (240, 88627), (264, 80570), (280, 75966), (308, 69060), (330, 64456), (336, 63305), (385, 55248), (420, 50644), (440, 48342), (462, 46040), (528, 40285), (560, 37983), (616, 34530), (660, 32228), (770, 27624), (840, 25322), (880, 24171), (924, 23020), (1151, 18480), (1155, 18416), (1232, 17265), (1320, 16114), (1540, 13812), (1680, 12661), (1848, 11510), (2302, 9240), (2310, 9208), (2640, 8057), (3080, 6906), (3453, 6160), (3696, 5755), (4604, 4620)]