216855240

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{258161}}^1$

素因数の和:258182

約数の個数: 64

約数和(自身を含む): 743506560

約数和(自身を除く): 526651320

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, 70, 84, 105, 120, 140, 168, 210, 280, 420, 840, 258161, 516322, 774483, 1032644, 1290805, 1548966, 1807127, 2065288, 2581610, 3097932, 3614254, 3872415, 5163220, 5421381, 6195864, 7228508, 7744830, 9035635, 10326440, 10842762, 14457016, 15489660, 18071270, 21685524, 27106905, 30979320, 36142540, 43371048, 54213810, 72285080, 108427620, 216855240]

約数ペア:

[(1, 216855240), (2, 108427620), (3, 72285080), (4, 54213810), (5, 43371048), (6, 36142540), (7, 30979320), (8, 27106905), (10, 21685524), (12, 18071270), (14, 15489660), (15, 14457016), (20, 10842762), (21, 10326440), (24, 9035635), (28, 7744830), (30, 7228508), (35, 6195864), (40, 5421381), (42, 5163220), (56, 3872415), (60, 3614254), (70, 3097932), (84, 2581610), (105, 2065288), (120, 1807127), (140, 1548966), (168, 1290805), (210, 1032644), (280, 774483), (420, 516322), (840, 258161)]