328188320

素因数分解:

$2^5\times 5^1\times {\mathrm{31}}^1\times {\mathrm{127}}^1\times {\mathrm{521}}^1$

素因数の和:694

約数の個数: 96

約数和(自身を含む): 808206336

約数和(自身を除く): 480018016

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 80, 124, 127, 155, 160, 248, 254, 310, 496, 508, 521, 620, 635, 992, 1016, 1042, 1240, 1270, 2032, 2084, 2480, 2540, 2605, 3937, 4064, 4168, 4960, 5080, 5210, 7874, 8336, 10160, 10420, 15748, 16151, 16672, 19685, 20320, 20840, 31496, 32302, 39370, 41680, 62992, 64604, 66167, 78740, 80755, 83360, 125984, 129208, 132334, 157480, 161510, 258416, 264668, 314960, 323020, 330835, 516832, 529336, 629920, 646040, 661670, 1058672, 1292080, 1323340, 2051177, 2117344, 2584160, 2646680, 4102354, 5293360, 8204708, 10255885, 10586720, 16409416, 20511770, 32818832, 41023540, 65637664, 82047080, 164094160, 328188320]

約数ペア:

[(1, 328188320), (2, 164094160), (4, 82047080), (5, 65637664), (8, 41023540), (10, 32818832), (16, 20511770), (20, 16409416), (31, 10586720), (32, 10255885), (40, 8204708), (62, 5293360), (80, 4102354), (124, 2646680), (127, 2584160), (155, 2117344), (160, 2051177), (248, 1323340), (254, 1292080), (310, 1058672), (496, 661670), (508, 646040), (521, 629920), (620, 529336), (635, 516832), (992, 330835), (1016, 323020), (1042, 314960), (1240, 264668), (1270, 258416), (2032, 161510), (2084, 157480), (2480, 132334), (2540, 129208), (2605, 125984), (3937, 83360), (4064, 80755), (4168, 78740), (4960, 66167), (5080, 64604), (5210, 62992), (7874, 41680), (8336, 39370), (10160, 32302), (10420, 31496), (15748, 20840), (16151, 20320), (16672, 19685)]