263526510

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{541}}^1\times {\mathrm{1249}}^1$

素因数の和:1813

約数の個数: 64

約数和(自身を含む): 682920000

約数和(自身を除く): 419393490

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 541, 1082, 1249, 1623, 2498, 2705, 3246, 3747, 5410, 6245, 7033, 7494, 8115, 12490, 14066, 16230, 16237, 18735, 21099, 32474, 35165, 37470, 42198, 48711, 70330, 81185, 97422, 105495, 162370, 210990, 243555, 487110, 675709, 1351418, 2027127, 3378545, 4054254, 6757090, 8784217, 10135635, 17568434, 20271270, 26352651, 43921085, 52705302, 87842170, 131763255, 263526510]

約数ペア:

[(1, 263526510), (2, 131763255), (3, 87842170), (5, 52705302), (6, 43921085), (10, 26352651), (13, 20271270), (15, 17568434), (26, 10135635), (30, 8784217), (39, 6757090), (65, 4054254), (78, 3378545), (130, 2027127), (195, 1351418), (390, 675709), (541, 487110), (1082, 243555), (1249, 210990), (1623, 162370), (2498, 105495), (2705, 97422), (3246, 81185), (3747, 70330), (5410, 48711), (6245, 42198), (7033, 37470), (7494, 35165), (8115, 32474), (12490, 21099), (14066, 18735), (16230, 16237)]