316886960

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{9829}}^1$

素因数の和:9886

約数の個数: 80

約数和(自身を含む): 819114240

約数和(自身を除く): 502227280

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 31, 40, 52, 62, 65, 80, 104, 124, 130, 155, 208, 248, 260, 310, 403, 496, 520, 620, 806, 1040, 1240, 1612, 2015, 2480, 3224, 4030, 6448, 8060, 9829, 16120, 19658, 32240, 39316, 49145, 78632, 98290, 127777, 157264, 196580, 255554, 304699, 393160, 511108, 609398, 638885, 786320, 1022216, 1218796, 1277770, 1523495, 2044432, 2437592, 2555540, 3046990, 3961087, 4875184, 5111080, 6093980, 7922174, 10222160, 12187960, 15844348, 19805435, 24375920, 31688696, 39610870, 63377392, 79221740, 158443480, 316886960]

約数ペア:

[(1, 316886960), (2, 158443480), (4, 79221740), (5, 63377392), (8, 39610870), (10, 31688696), (13, 24375920), (16, 19805435), (20, 15844348), (26, 12187960), (31, 10222160), (40, 7922174), (52, 6093980), (62, 5111080), (65, 4875184), (80, 3961087), (104, 3046990), (124, 2555540), (130, 2437592), (155, 2044432), (208, 1523495), (248, 1277770), (260, 1218796), (310, 1022216), (403, 786320), (496, 638885), (520, 609398), (620, 511108), (806, 393160), (1040, 304699), (1240, 255554), (1612, 196580), (2015, 157264), (2480, 127777), (3224, 98290), (4030, 78632), (6448, 49145), (8060, 39316), (9829, 32240), (16120, 19658)]