305031640

素因数分解:

$2^3\times 5^1\times {\mathrm{79}}^1\times {\mathrm{83}}^1\times {\mathrm{1163}}^1$

素因数の和:1336

約数の個数: 64

約数和(自身を含む): 703987200

約数和(自身を除く): 398955560

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 79, 83, 158, 166, 316, 332, 395, 415, 632, 664, 790, 830, 1163, 1580, 1660, 2326, 3160, 3320, 4652, 5815, 6557, 9304, 11630, 13114, 23260, 26228, 32785, 46520, 52456, 65570, 91877, 96529, 131140, 183754, 193058, 262280, 367508, 386116, 459385, 482645, 735016, 772232, 918770, 965290, 1837540, 1930580, 3675080, 3861160, 7625791, 15251582, 30503164, 38128955, 61006328, 76257910, 152515820, 305031640]

約数ペア:

[(1, 305031640), (2, 152515820), (4, 76257910), (5, 61006328), (8, 38128955), (10, 30503164), (20, 15251582), (40, 7625791), (79, 3861160), (83, 3675080), (158, 1930580), (166, 1837540), (316, 965290), (332, 918770), (395, 772232), (415, 735016), (632, 482645), (664, 459385), (790, 386116), (830, 367508), (1163, 262280), (1580, 193058), (1660, 183754), (2326, 131140), (3160, 96529), (3320, 91877), (4652, 65570), (5815, 52456), (6557, 46520), (9304, 32785), (11630, 26228), (13114, 23260)]