256760910

素因数分解:

$2^1\times 3^2\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{13147}}^1$

素因数の和:13198

約数の個数: 96

約数和(自身を含む): 787617792

約数和(自身を除く): 530856882

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 30, 31, 35, 42, 45, 62, 63, 70, 90, 93, 105, 126, 155, 186, 210, 217, 279, 310, 315, 434, 465, 558, 630, 651, 930, 1085, 1302, 1395, 1953, 2170, 2790, 3255, 3906, 6510, 9765, 13147, 19530, 26294, 39441, 65735, 78882, 92029, 118323, 131470, 184058, 197205, 236646, 276087, 394410, 407557, 460145, 552174, 591615, 815114, 828261, 920290, 1183230, 1222671, 1380435, 1656522, 2037785, 2445342, 2760870, 2852899, 3668013, 4075570, 4141305, 5705798, 6113355, 7336026, 8282610, 8558697, 12226710, 14264495, 17117394, 18340065, 25676091, 28528990, 36680130, 42793485, 51352182, 85586970, 128380455, 256760910]

約数ペア:

[(1, 256760910), (2, 128380455), (3, 85586970), (5, 51352182), (6, 42793485), (7, 36680130), (9, 28528990), (10, 25676091), (14, 18340065), (15, 17117394), (18, 14264495), (21, 12226710), (30, 8558697), (31, 8282610), (35, 7336026), (42, 6113355), (45, 5705798), (62, 4141305), (63, 4075570), (70, 3668013), (90, 2852899), (93, 2760870), (105, 2445342), (126, 2037785), (155, 1656522), (186, 1380435), (210, 1222671), (217, 1183230), (279, 920290), (310, 828261), (315, 815114), (434, 591615), (465, 552174), (558, 460145), (630, 407557), (651, 394410), (930, 276087), (1085, 236646), (1302, 197205), (1395, 184058), (1953, 131470), (2170, 118323), (2790, 92029), (3255, 78882), (3906, 65735), (6510, 39441), (9765, 26294), (13147, 19530)]