1519307920

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{223}}^1\times {\mathrm{6551}}^1$

素因数の和:6800

約数の個数: 80

約数和(自身を含む): 3821755392

約数和(自身を除く): 2302447472

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 223, 260, 446, 520, 892, 1040, 1115, 1784, 2230, 2899, 3568, 4460, 5798, 6551, 8920, 11596, 13102, 14495, 17840, 23192, 26204, 28990, 32755, 46384, 52408, 57980, 65510, 85163, 104816, 115960, 131020, 170326, 231920, 262040, 340652, 425815, 524080, 681304, 851630, 1362608, 1460873, 1703260, 2921746, 3406520, 5843492, 6813040, 7304365, 11686984, 14608730, 18991349, 23373968, 29217460, 37982698, 58434920, 75965396, 94956745, 116869840, 151930792, 189913490, 303861584, 379826980, 759653960, 1519307920]

約数ペア:

[(1, 1519307920), (2, 759653960), (4, 379826980), (5, 303861584), (8, 189913490), (10, 151930792), (13, 116869840), (16, 94956745), (20, 75965396), (26, 58434920), (40, 37982698), (52, 29217460), (65, 23373968), (80, 18991349), (104, 14608730), (130, 11686984), (208, 7304365), (223, 6813040), (260, 5843492), (446, 3406520), (520, 2921746), (892, 1703260), (1040, 1460873), (1115, 1362608), (1784, 851630), (2230, 681304), (2899, 524080), (3568, 425815), (4460, 340652), (5798, 262040), (6551, 231920), (8920, 170326), (11596, 131020), (13102, 115960), (14495, 104816), (17840, 85163), (23192, 65510), (26204, 57980), (28990, 52408), (32755, 46384)]