257200680

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{271}}^1\times {\mathrm{719}}^1$

素因数の和:1015

約数の個数: 128

約数和(自身を含む): 846028800

約数和(自身を除く): 588828120

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 20, 22, 24, 30, 33, 40, 44, 55, 60, 66, 88, 110, 120, 132, 165, 220, 264, 271, 330, 440, 542, 660, 719, 813, 1084, 1320, 1355, 1438, 1626, 2157, 2168, 2710, 2876, 2981, 3252, 3595, 4065, 4314, 5420, 5752, 5962, 6504, 7190, 7909, 8130, 8628, 8943, 10785, 10840, 11924, 14380, 14905, 15818, 16260, 17256, 17886, 21570, 23727, 23848, 28760, 29810, 31636, 32520, 35772, 39545, 43140, 44715, 47454, 59620, 63272, 71544, 79090, 86280, 89430, 94908, 118635, 119240, 158180, 178860, 189816, 194849, 237270, 316360, 357720, 389698, 474540, 584547, 779396, 949080, 974245, 1169094, 1558792, 1948490, 2143339, 2338188, 2922735, 3896980, 4286678, 4676376, 5845470, 6430017, 7793960, 8573356, 10716695, 11690940, 12860034, 17146712, 21433390, 23381880, 25720068, 32150085, 42866780, 51440136, 64300170, 85733560, 128600340, 257200680]

約数ペア:

[(1, 257200680), (2, 128600340), (3, 85733560), (4, 64300170), (5, 51440136), (6, 42866780), (8, 32150085), (10, 25720068), (11, 23381880), (12, 21433390), (15, 17146712), (20, 12860034), (22, 11690940), (24, 10716695), (30, 8573356), (33, 7793960), (40, 6430017), (44, 5845470), (55, 4676376), (60, 4286678), (66, 3896980), (88, 2922735), (110, 2338188), (120, 2143339), (132, 1948490), (165, 1558792), (220, 1169094), (264, 974245), (271, 949080), (330, 779396), (440, 584547), (542, 474540), (660, 389698), (719, 357720), (813, 316360), (1084, 237270), (1320, 194849), (1355, 189816), (1438, 178860), (1626, 158180), (2157, 119240), (2168, 118635), (2710, 94908), (2876, 89430), (2981, 86280), (3252, 79090), (3595, 71544), (4065, 63272), (4314, 59620), (5420, 47454), (5752, 44715), (5962, 43140), (6504, 39545), (7190, 35772), (7909, 32520), (8130, 31636), (8628, 29810), (8943, 28760), (10785, 23848), (10840, 23727), (11924, 21570), (14380, 17886), (14905, 17256), (15818, 16260)]