401315280

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{1123}}^1\times {\mathrm{1489}}^1$

素因数の和:2628

約数の個数: 80

約数和(自身を含む): 1246021440

約数和(自身を除く): 844706160

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 1123, 1489, 2246, 2978, 3369, 4467, 4492, 5615, 5956, 6738, 7445, 8934, 8984, 11230, 11912, 13476, 14890, 16845, 17868, 17968, 22335, 22460, 23824, 26952, 29780, 33690, 35736, 44670, 44920, 53904, 59560, 67380, 71472, 89340, 89840, 119120, 134760, 178680, 269520, 357360, 1672147, 3344294, 5016441, 6688588, 8360735, 10032882, 13377176, 16721470, 20065764, 25082205, 26754352, 33442940, 40131528, 50164410, 66885880, 80263056, 100328820, 133771760, 200657640, 401315280]

約数ペア:

[(1, 401315280), (2, 200657640), (3, 133771760), (4, 100328820), (5, 80263056), (6, 66885880), (8, 50164410), (10, 40131528), (12, 33442940), (15, 26754352), (16, 25082205), (20, 20065764), (24, 16721470), (30, 13377176), (40, 10032882), (48, 8360735), (60, 6688588), (80, 5016441), (120, 3344294), (240, 1672147), (1123, 357360), (1489, 269520), (2246, 178680), (2978, 134760), (3369, 119120), (4467, 89840), (4492, 89340), (5615, 71472), (5956, 67380), (6738, 59560), (7445, 53904), (8934, 44920), (8984, 44670), (11230, 35736), (11912, 33690), (13476, 29780), (14890, 26952), (16845, 23824), (17868, 22460), (17968, 22335)]