390715920

素因数分解:

$2^4\times 3^3\times 5^1\times 7^1\times {\mathrm{25841}}^1$

素因数の和:25870

約数の個数: 160

約数和(自身を含む): 1538115840

約数和(自身を除く): 1147399920

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 27, 28, 30, 35, 36, 40, 42, 45, 48, 54, 56, 60, 63, 70, 72, 80, 84, 90, 105, 108, 112, 120, 126, 135, 140, 144, 168, 180, 189, 210, 216, 240, 252, 270, 280, 315, 336, 360, 378, 420, 432, 504, 540, 560, 630, 720, 756, 840, 945, 1008, 1080, 1260, 1512, 1680, 1890, 2160, 2520, 3024, 3780, 5040, 7560, 15120, 25841, 51682, 77523, 103364, 129205, 155046, 180887, 206728, 232569, 258410, 310092, 361774, 387615, 413456, 465138, 516820, 542661, 620184, 697707, 723548, 775230, 904435, 930276, 1033640, 1085322, 1162845, 1240368, 1395414, 1447096, 1550460, 1627983, 1808870, 1860552, 2067280, 2170644, 2325690, 2713305, 2790828, 2894192, 3100920, 3255966, 3488535, 3617740, 3721104, 4341288, 4651380, 4883949, 5426610, 5581656, 6201840, 6511932, 6977070, 7235480, 8139915, 8682576, 9302760, 9767898, 10853220, 11163312, 13023864, 13954140, 14470960, 16279830, 18605520, 19535796, 21706440, 24419745, 26047728, 27908280, 32559660, 39071592, 43412880, 48839490, 55816560, 65119320, 78143184, 97678980, 130238640, 195357960, 390715920]

約数ペア:

[(1, 390715920), (2, 195357960), (3, 130238640), (4, 97678980), (5, 78143184), (6, 65119320), (7, 55816560), (8, 48839490), (9, 43412880), (10, 39071592), (12, 32559660), (14, 27908280), (15, 26047728), (16, 24419745), (18, 21706440), (20, 19535796), (21, 18605520), (24, 16279830), (27, 14470960), (28, 13954140), (30, 13023864), (35, 11163312), (36, 10853220), (40, 9767898), (42, 9302760), (45, 8682576), (48, 8139915), (54, 7235480), (56, 6977070), (60, 6511932), (63, 6201840), (70, 5581656), (72, 5426610), (80, 4883949), (84, 4651380), (90, 4341288), (105, 3721104), (108, 3617740), (112, 3488535), (120, 3255966), (126, 3100920), (135, 2894192), (140, 2790828), (144, 2713305), (168, 2325690), (180, 2170644), (189, 2067280), (210, 1860552), (216, 1808870), (240, 1627983), (252, 1550460), (270, 1447096), (280, 1395414), (315, 1240368), (336, 1162845), (360, 1085322), (378, 1033640), (420, 930276), (432, 904435), (504, 775230), (540, 723548), (560, 697707), (630, 620184), (720, 542661), (756, 516820), (840, 465138), (945, 413456), (1008, 387615), (1080, 361774), (1260, 310092), (1512, 258410), (1680, 232569), (1890, 206728), (2160, 180887), (2520, 155046), (3024, 129205), (3780, 103364), (5040, 77523), (7560, 51682), (15120, 25841)]