390394680

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{250253}}^1$

素因数の和:250280

約数の個数: 64

約数和(自身を含む): 1261280160

約数和(自身を除く): 870885480

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 60, 65, 78, 104, 120, 130, 156, 195, 260, 312, 390, 520, 780, 1560, 250253, 500506, 750759, 1001012, 1251265, 1501518, 2002024, 2502530, 3003036, 3253289, 3753795, 5005060, 6006072, 6506578, 7507590, 9759867, 10010120, 13013156, 15015180, 16266445, 19519734, 26026312, 30030360, 32532890, 39039468, 48799335, 65065780, 78078936, 97598670, 130131560, 195197340, 390394680]

約数ペア:

[(1, 390394680), (2, 195197340), (3, 130131560), (4, 97598670), (5, 78078936), (6, 65065780), (8, 48799335), (10, 39039468), (12, 32532890), (13, 30030360), (15, 26026312), (20, 19519734), (24, 16266445), (26, 15015180), (30, 13013156), (39, 10010120), (40, 9759867), (52, 7507590), (60, 6506578), (65, 6006072), (78, 5005060), (104, 3753795), (120, 3253289), (130, 3003036), (156, 2502530), (195, 2002024), (260, 1501518), (312, 1251265), (390, 1001012), (520, 750759), (780, 500506), (1560, 250253)]