256416810

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{127}}^1\times {\mathrm{167}}^1$

素因数の和:348

約数の個数: 128

約数和(自身を含む): 693633024

約数和(自身を除く): 437216214

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 31, 39, 62, 65, 78, 93, 127, 130, 155, 167, 186, 195, 254, 310, 334, 381, 390, 403, 465, 501, 635, 762, 806, 835, 930, 1002, 1209, 1270, 1651, 1670, 1905, 2015, 2171, 2418, 2505, 3302, 3810, 3937, 4030, 4342, 4953, 5010, 5177, 6045, 6513, 7874, 8255, 9906, 10354, 10855, 11811, 12090, 13026, 15531, 16510, 19685, 21209, 21710, 23622, 24765, 25885, 31062, 32565, 39370, 42418, 49530, 51181, 51770, 59055, 63627, 65130, 67301, 77655, 102362, 106045, 118110, 127254, 134602, 153543, 155310, 201903, 212090, 255905, 275717, 307086, 318135, 336505, 403806, 511810, 551434, 636270, 657479, 673010, 767715, 827151, 1009515, 1314958, 1378585, 1535430, 1654302, 1972437, 2019030, 2757170, 3287395, 3944874, 4135755, 6574790, 8271510, 8547227, 9862185, 17094454, 19724370, 25641681, 42736135, 51283362, 85472270, 128208405, 256416810]

約数ペア:

[(1, 256416810), (2, 128208405), (3, 85472270), (5, 51283362), (6, 42736135), (10, 25641681), (13, 19724370), (15, 17094454), (26, 9862185), (30, 8547227), (31, 8271510), (39, 6574790), (62, 4135755), (65, 3944874), (78, 3287395), (93, 2757170), (127, 2019030), (130, 1972437), (155, 1654302), (167, 1535430), (186, 1378585), (195, 1314958), (254, 1009515), (310, 827151), (334, 767715), (381, 673010), (390, 657479), (403, 636270), (465, 551434), (501, 511810), (635, 403806), (762, 336505), (806, 318135), (835, 307086), (930, 275717), (1002, 255905), (1209, 212090), (1270, 201903), (1651, 155310), (1670, 153543), (1905, 134602), (2015, 127254), (2171, 118110), (2418, 106045), (2505, 102362), (3302, 77655), (3810, 67301), (3937, 65130), (4030, 63627), (4342, 59055), (4953, 51770), (5010, 51181), (5177, 49530), (6045, 42418), (6513, 39370), (7874, 32565), (8255, 31062), (9906, 25885), (10354, 24765), (10855, 23622), (11811, 21710), (12090, 21209), (13026, 19685), (15531, 16510)]