260385720

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{239}}^1\times {\mathrm{1297}}^1$

素因数の和:1557

約数の個数: 128

約数和(自身を含む): 897177600

約数和(自身を除く): 636791880

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 239, 280, 420, 478, 717, 840, 956, 1195, 1297, 1434, 1673, 1912, 2390, 2594, 2868, 3346, 3585, 3891, 4780, 5019, 5188, 5736, 6485, 6692, 7170, 7782, 8365, 9079, 9560, 10038, 10376, 12970, 13384, 14340, 15564, 16730, 18158, 19455, 20076, 25095, 25940, 27237, 28680, 31128, 33460, 36316, 38910, 40152, 45395, 50190, 51880, 54474, 66920, 72632, 77820, 90790, 100380, 108948, 136185, 155640, 181580, 200760, 217896, 272370, 309983, 363160, 544740, 619966, 929949, 1089480, 1239932, 1549915, 1859898, 2169881, 2479864, 3099830, 3719796, 4339762, 4649745, 6199660, 6509643, 7439592, 8679524, 9299490, 10849405, 12399320, 13019286, 17359048, 18598980, 21698810, 26038572, 32548215, 37197960, 43397620, 52077144, 65096430, 86795240, 130192860, 260385720]

約数ペア:

[(1, 260385720), (2, 130192860), (3, 86795240), (4, 65096430), (5, 52077144), (6, 43397620), (7, 37197960), (8, 32548215), (10, 26038572), (12, 21698810), (14, 18598980), (15, 17359048), (20, 13019286), (21, 12399320), (24, 10849405), (28, 9299490), (30, 8679524), (35, 7439592), (40, 6509643), (42, 6199660), (56, 4649745), (60, 4339762), (70, 3719796), (84, 3099830), (105, 2479864), (120, 2169881), (140, 1859898), (168, 1549915), (210, 1239932), (239, 1089480), (280, 929949), (420, 619966), (478, 544740), (717, 363160), (840, 309983), (956, 272370), (1195, 217896), (1297, 200760), (1434, 181580), (1673, 155640), (1912, 136185), (2390, 108948), (2594, 100380), (2868, 90790), (3346, 77820), (3585, 72632), (3891, 66920), (4780, 54474), (5019, 51880), (5188, 50190), (5736, 45395), (6485, 40152), (6692, 38910), (7170, 36316), (7782, 33460), (8365, 31128), (9079, 28680), (9560, 27237), (10038, 25940), (10376, 25095), (12970, 20076), (13384, 19455), (14340, 18158), (15564, 16730)]