128691240

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{173}}^1\times {\mathrm{6199}}^1$

素因数の和:6386

約数の個数: 64

約数和(自身を含む): 388368000

約数和(自身を除く): 259676760

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 173, 346, 519, 692, 865, 1038, 1384, 1730, 2076, 2595, 3460, 4152, 5190, 6199, 6920, 10380, 12398, 18597, 20760, 24796, 30995, 37194, 49592, 61990, 74388, 92985, 123980, 148776, 185970, 247960, 371940, 743880, 1072427, 2144854, 3217281, 4289708, 5362135, 6434562, 8579416, 10724270, 12869124, 16086405, 21448540, 25738248, 32172810, 42897080, 64345620, 128691240]

約数ペア:

[(1, 128691240), (2, 64345620), (3, 42897080), (4, 32172810), (5, 25738248), (6, 21448540), (8, 16086405), (10, 12869124), (12, 10724270), (15, 8579416), (20, 6434562), (24, 5362135), (30, 4289708), (40, 3217281), (60, 2144854), (120, 1072427), (173, 743880), (346, 371940), (519, 247960), (692, 185970), (865, 148776), (1038, 123980), (1384, 92985), (1730, 74388), (2076, 61990), (2595, 49592), (3460, 37194), (4152, 30995), (5190, 24796), (6199, 20760), (6920, 18597), (10380, 12398)]