17993640

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{691}}^1$

素因数の和:743

約数の個数: 128

約数和(自身を含む): 63774720

約数和(自身を除く): 45781080

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 31, 35, 40, 42, 56, 60, 62, 70, 84, 93, 105, 120, 124, 140, 155, 168, 186, 210, 217, 248, 280, 310, 372, 420, 434, 465, 620, 651, 691, 744, 840, 868, 930, 1085, 1240, 1302, 1382, 1736, 1860, 2073, 2170, 2604, 2764, 3255, 3455, 3720, 4146, 4340, 4837, 5208, 5528, 6510, 6910, 8292, 8680, 9674, 10365, 13020, 13820, 14511, 16584, 19348, 20730, 21421, 24185, 26040, 27640, 29022, 38696, 41460, 42842, 48370, 58044, 64263, 72555, 82920, 85684, 96740, 107105, 116088, 128526, 145110, 149947, 171368, 193480, 214210, 257052, 290220, 299894, 321315, 428420, 449841, 514104, 580440, 599788, 642630, 749735, 856840, 899682, 1199576, 1285260, 1499470, 1799364, 2249205, 2570520, 2998940, 3598728, 4498410, 5997880, 8996820, 17993640]

約数ペア:

[(1, 17993640), (2, 8996820), (3, 5997880), (4, 4498410), (5, 3598728), (6, 2998940), (7, 2570520), (8, 2249205), (10, 1799364), (12, 1499470), (14, 1285260), (15, 1199576), (20, 899682), (21, 856840), (24, 749735), (28, 642630), (30, 599788), (31, 580440), (35, 514104), (40, 449841), (42, 428420), (56, 321315), (60, 299894), (62, 290220), (70, 257052), (84, 214210), (93, 193480), (105, 171368), (120, 149947), (124, 145110), (140, 128526), (155, 116088), (168, 107105), (186, 96740), (210, 85684), (217, 82920), (248, 72555), (280, 64263), (310, 58044), (372, 48370), (420, 42842), (434, 41460), (465, 38696), (620, 29022), (651, 27640), (691, 26040), (744, 24185), (840, 21421), (868, 20730), (930, 19348), (1085, 16584), (1240, 14511), (1302, 13820), (1382, 13020), (1736, 10365), (1860, 9674), (2073, 8680), (2170, 8292), (2604, 6910), (2764, 6510), (3255, 5528), (3455, 5208), (3720, 4837), (4146, 4340)]