256935510

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{1031}}^1$

素因数の和:1131

約数の個数: 128

約数和(自身を含む): 748984320

約数和(自身を除く): 492048810

約数列:

[1, 2, 3, 5, 6, 9, 10, 13, 15, 18, 26, 27, 30, 39, 45, 54, 65, 71, 78, 90, 117, 130, 135, 142, 195, 213, 234, 270, 351, 355, 390, 426, 585, 639, 702, 710, 923, 1031, 1065, 1170, 1278, 1755, 1846, 1917, 2062, 2130, 2769, 3093, 3195, 3510, 3834, 4615, 5155, 5538, 6186, 6390, 8307, 9230, 9279, 9585, 10310, 13403, 13845, 15465, 16614, 18558, 19170, 24921, 26806, 27690, 27837, 30930, 40209, 41535, 46395, 49842, 55674, 67015, 73201, 80418, 83070, 92790, 120627, 124605, 134030, 139185, 146402, 201045, 219603, 241254, 249210, 278370, 361881, 366005, 402090, 439206, 603135, 658809, 723762, 732010, 951613, 1098015, 1206270, 1317618, 1809405, 1903226, 1976427, 2196030, 2854839, 3294045, 3618810, 3952854, 4758065, 5709678, 6588090, 8564517, 9516130, 9882135, 14274195, 17129034, 19764270, 25693551, 28548390, 42822585, 51387102, 85645170, 128467755, 256935510]

約数ペア:

[(1, 256935510), (2, 128467755), (3, 85645170), (5, 51387102), (6, 42822585), (9, 28548390), (10, 25693551), (13, 19764270), (15, 17129034), (18, 14274195), (26, 9882135), (27, 9516130), (30, 8564517), (39, 6588090), (45, 5709678), (54, 4758065), (65, 3952854), (71, 3618810), (78, 3294045), (90, 2854839), (117, 2196030), (130, 1976427), (135, 1903226), (142, 1809405), (195, 1317618), (213, 1206270), (234, 1098015), (270, 951613), (351, 732010), (355, 723762), (390, 658809), (426, 603135), (585, 439206), (639, 402090), (702, 366005), (710, 361881), (923, 278370), (1031, 249210), (1065, 241254), (1170, 219603), (1278, 201045), (1755, 146402), (1846, 139185), (1917, 134030), (2062, 124605), (2130, 120627), (2769, 92790), (3093, 83070), (3195, 80418), (3510, 73201), (3834, 67015), (4615, 55674), (5155, 49842), (5538, 46395), (6186, 41535), (6390, 40209), (8307, 30930), (9230, 27837), (9279, 27690), (9585, 26806), (10310, 24921), (13403, 19170), (13845, 18558), (15465, 16614)]