256264140

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{6581}}^1$

素因数の和:6663

約数の個数: 96

約数和(自身を含む): 796158720

約数和(自身を除く): 539894580

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 15, 20, 22, 30, 33, 44, 55, 59, 60, 66, 110, 118, 132, 165, 177, 220, 236, 295, 330, 354, 590, 649, 660, 708, 885, 1180, 1298, 1770, 1947, 2596, 3245, 3540, 3894, 6490, 6581, 7788, 9735, 12980, 13162, 19470, 19743, 26324, 32905, 38940, 39486, 65810, 72391, 78972, 98715, 131620, 144782, 197430, 217173, 289564, 361955, 388279, 394860, 434346, 723910, 776558, 868692, 1085865, 1164837, 1447820, 1553116, 1941395, 2171730, 2329674, 3882790, 4271069, 4343460, 4659348, 5824185, 7765580, 8542138, 11648370, 12813207, 17084276, 21355345, 23296740, 25626414, 42710690, 51252828, 64066035, 85421380, 128132070, 256264140]

約数ペア:

[(1, 256264140), (2, 128132070), (3, 85421380), (4, 64066035), (5, 51252828), (6, 42710690), (10, 25626414), (11, 23296740), (12, 21355345), (15, 17084276), (20, 12813207), (22, 11648370), (30, 8542138), (33, 7765580), (44, 5824185), (55, 4659348), (59, 4343460), (60, 4271069), (66, 3882790), (110, 2329674), (118, 2171730), (132, 1941395), (165, 1553116), (177, 1447820), (220, 1164837), (236, 1085865), (295, 868692), (330, 776558), (354, 723910), (590, 434346), (649, 394860), (660, 388279), (708, 361955), (885, 289564), (1180, 217173), (1298, 197430), (1770, 144782), (1947, 131620), (2596, 98715), (3245, 78972), (3540, 72391), (3894, 65810), (6490, 39486), (6581, 38940), (7788, 32905), (9735, 26324), (12980, 19743), (13162, 19470)]