209156880

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{257}}^1\times {\mathrm{3391}}^1$

素因数の和:3664

約数の個数: 80

約数和(自身を含む): 651101184

約数和(自身を除く): 441944304

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 257, 514, 771, 1028, 1285, 1542, 2056, 2570, 3084, 3391, 3855, 4112, 5140, 6168, 6782, 7710, 10173, 10280, 12336, 13564, 15420, 16955, 20346, 20560, 27128, 30840, 33910, 40692, 50865, 54256, 61680, 67820, 81384, 101730, 135640, 162768, 203460, 271280, 406920, 813840, 871487, 1742974, 2614461, 3485948, 4357435, 5228922, 6971896, 8714870, 10457844, 13072305, 13943792, 17429740, 20915688, 26144610, 34859480, 41831376, 52289220, 69718960, 104578440, 209156880]

約数ペア:

[(1, 209156880), (2, 104578440), (3, 69718960), (4, 52289220), (5, 41831376), (6, 34859480), (8, 26144610), (10, 20915688), (12, 17429740), (15, 13943792), (16, 13072305), (20, 10457844), (24, 8714870), (30, 6971896), (40, 5228922), (48, 4357435), (60, 3485948), (80, 2614461), (120, 1742974), (240, 871487), (257, 813840), (514, 406920), (771, 271280), (1028, 203460), (1285, 162768), (1542, 135640), (2056, 101730), (2570, 81384), (3084, 67820), (3391, 61680), (3855, 54256), (4112, 50865), (5140, 40692), (6168, 33910), (6782, 30840), (7710, 27128), (10173, 20560), (10280, 20346), (12336, 16955), (13564, 15420)]