127822760

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{401}}^1\times {\mathrm{613}}^1$

素因数の和:1038

約数の個数: 64

約数和(自身を含む): 311003280

約数和(自身を除く): 183180520

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 401, 520, 613, 802, 1226, 1604, 2005, 2452, 3065, 3208, 4010, 4904, 5213, 6130, 7969, 8020, 10426, 12260, 15938, 16040, 20852, 24520, 26065, 31876, 39845, 41704, 52130, 63752, 79690, 104260, 159380, 208520, 245813, 318760, 491626, 983252, 1229065, 1966504, 2458130, 3195569, 4916260, 6391138, 9832520, 12782276, 15977845, 25564552, 31955690, 63911380, 127822760]

約数ペア:

[(1, 127822760), (2, 63911380), (4, 31955690), (5, 25564552), (8, 15977845), (10, 12782276), (13, 9832520), (20, 6391138), (26, 4916260), (40, 3195569), (52, 2458130), (65, 1966504), (104, 1229065), (130, 983252), (260, 491626), (401, 318760), (520, 245813), (613, 208520), (802, 159380), (1226, 104260), (1604, 79690), (2005, 63752), (2452, 52130), (3065, 41704), (3208, 39845), (4010, 31876), (4904, 26065), (5213, 24520), (6130, 20852), (7969, 16040), (8020, 15938), (10426, 12260)]