388956720

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{307}}^1\times {\mathrm{5279}}^1$

素因数の和:5602

約数の個数: 80

約数和(自身を含む): 1209922560

約数和(自身を除く): 820965840

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 307, 614, 921, 1228, 1535, 1842, 2456, 3070, 3684, 4605, 4912, 5279, 6140, 7368, 9210, 10558, 12280, 14736, 15837, 18420, 21116, 24560, 26395, 31674, 36840, 42232, 52790, 63348, 73680, 79185, 84464, 105580, 126696, 158370, 211160, 253392, 316740, 422320, 633480, 1266960, 1620653, 3241306, 4861959, 6482612, 8103265, 9723918, 12965224, 16206530, 19447836, 24309795, 25930448, 32413060, 38895672, 48619590, 64826120, 77791344, 97239180, 129652240, 194478360, 388956720]

約数ペア:

[(1, 388956720), (2, 194478360), (3, 129652240), (4, 97239180), (5, 77791344), (6, 64826120), (8, 48619590), (10, 38895672), (12, 32413060), (15, 25930448), (16, 24309795), (20, 19447836), (24, 16206530), (30, 12965224), (40, 9723918), (48, 8103265), (60, 6482612), (80, 4861959), (120, 3241306), (240, 1620653), (307, 1266960), (614, 633480), (921, 422320), (1228, 316740), (1535, 253392), (1842, 211160), (2456, 158370), (3070, 126696), (3684, 105580), (4605, 84464), (4912, 79185), (5279, 73680), (6140, 63348), (7368, 52790), (9210, 42232), (10558, 36840), (12280, 31674), (14736, 26395), (15837, 24560), (18420, 21116)]