1253272720

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{1103}}^1\times {\mathrm{2029}}^1$

素因数の和:3152

約数の個数: 80

約数和(自身を含む): 3334786560

約数和(自身を除く): 2081513840

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 1103, 2029, 2206, 4058, 4412, 5515, 7721, 8116, 8824, 10145, 11030, 14203, 15442, 16232, 17648, 20290, 22060, 28406, 30884, 32464, 38605, 40580, 44120, 56812, 61768, 71015, 77210, 81160, 88240, 113624, 123536, 142030, 154420, 162320, 227248, 284060, 308840, 568120, 617680, 1136240, 2237987, 4475974, 8951948, 11189935, 15665909, 17903896, 22379870, 31331818, 35807792, 44759740, 62663636, 78329545, 89519480, 125327272, 156659090, 179038960, 250654544, 313318180, 626636360, 1253272720]

約数ペア:

[(1, 1253272720), (2, 626636360), (4, 313318180), (5, 250654544), (7, 179038960), (8, 156659090), (10, 125327272), (14, 89519480), (16, 78329545), (20, 62663636), (28, 44759740), (35, 35807792), (40, 31331818), (56, 22379870), (70, 17903896), (80, 15665909), (112, 11189935), (140, 8951948), (280, 4475974), (560, 2237987), (1103, 1136240), (2029, 617680), (2206, 568120), (4058, 308840), (4412, 284060), (5515, 227248), (7721, 162320), (8116, 154420), (8824, 142030), (10145, 123536), (11030, 113624), (14203, 88240), (15442, 81160), (16232, 77210), (17648, 71015), (20290, 61768), (22060, 56812), (28406, 44120), (30884, 40580), (32464, 38605)]