258477660

素因数分解:

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

素因数の和:205163

約数の個数: 72

約数和(自身を含む): 896060256

約数和(自身を除く): 637582596

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 420, 630, 1260, 205141, 410282, 615423, 820564, 1025705, 1230846, 1435987, 1846269, 2051410, 2461692, 2871974, 3077115, 3692538, 4102820, 4307961, 5743948, 6154230, 7179935, 7385076, 8615922, 9231345, 12308460, 12923883, 14359870, 17231844, 18462690, 21539805, 25847766, 28719740, 36925380, 43079610, 51695532, 64619415, 86159220, 129238830, 258477660]

約数ペア:

[(1, 258477660), (2, 129238830), (3, 86159220), (4, 64619415), (5, 51695532), (6, 43079610), (7, 36925380), (9, 28719740), (10, 25847766), (12, 21539805), (14, 18462690), (15, 17231844), (18, 14359870), (20, 12923883), (21, 12308460), (28, 9231345), (30, 8615922), (35, 7385076), (36, 7179935), (42, 6154230), (45, 5743948), (60, 4307961), (63, 4102820), (70, 3692538), (84, 3077115), (90, 2871974), (105, 2461692), (126, 2051410), (140, 1846269), (180, 1435987), (210, 1230846), (252, 1025705), (315, 820564), (420, 615423), (630, 410282), (1260, 205141)]