638049690

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{457}}^1\times {\mathrm{5171}}^1$

素因数の和:5644

約数の個数: 64

約数和(自身を含む): 1705518720

約数和(自身を除く): 1067469030

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 90, 135, 270, 457, 914, 1371, 2285, 2742, 4113, 4570, 5171, 6855, 8226, 10342, 12339, 13710, 15513, 20565, 24678, 25855, 31026, 41130, 46539, 51710, 61695, 77565, 93078, 123390, 139617, 155130, 232695, 279234, 465390, 698085, 1396170, 2363147, 4726294, 7089441, 11815735, 14178882, 21268323, 23631470, 35447205, 42536646, 63804969, 70894410, 106341615, 127609938, 212683230, 319024845, 638049690]

約数ペア:

[(1, 638049690), (2, 319024845), (3, 212683230), (5, 127609938), (6, 106341615), (9, 70894410), (10, 63804969), (15, 42536646), (18, 35447205), (27, 23631470), (30, 21268323), (45, 14178882), (54, 11815735), (90, 7089441), (135, 4726294), (270, 2363147), (457, 1396170), (914, 698085), (1371, 465390), (2285, 279234), (2742, 232695), (4113, 155130), (4570, 139617), (5171, 123390), (6855, 93078), (8226, 77565), (10342, 61695), (12339, 51710), (13710, 46539), (15513, 41130), (20565, 31026), (24678, 25855)]