172318440

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{205141}}^1$

素因数の和:205162

約数の個数: 64

約数和(自身を含む): 590808960

約数和(自身を除く): 418490520

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, 205141, 410282, 615423, 820564, 1025705, 1230846, 1435987, 1641128, 2051410, 2461692, 2871974, 3077115, 4102820, 4307961, 4923384, 5743948, 6154230, 7179935, 8205640, 8615922, 11487896, 12308460, 14359870, 17231844, 21539805, 24616920, 28719740, 34463688, 43079610, 57439480, 86159220, 172318440]

約数ペア:

[(1, 172318440), (2, 86159220), (3, 57439480), (4, 43079610), (5, 34463688), (6, 28719740), (7, 24616920), (8, 21539805), (10, 17231844), (12, 14359870), (14, 12308460), (15, 11487896), (20, 8615922), (21, 8205640), (24, 7179935), (28, 6154230), (30, 5743948), (35, 4923384), (40, 4307961), (42, 4102820), (56, 3077115), (60, 2871974), (70, 2461692), (84, 2051410), (105, 1641128), (120, 1435987), (140, 1230846), (168, 1025705), (210, 820564), (280, 615423), (420, 410282), (840, 205141)]