171959840

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{1759}}^1$

素因数の和:1834

約数の個数: 96

約数和(自身を含む): 447068160

約数和(自身を除く): 275108320

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 47, 52, 65, 80, 94, 104, 130, 160, 188, 208, 235, 260, 376, 416, 470, 520, 611, 752, 940, 1040, 1222, 1504, 1759, 1880, 2080, 2444, 3055, 3518, 3760, 4888, 6110, 7036, 7520, 8795, 9776, 12220, 14072, 17590, 19552, 22867, 24440, 28144, 35180, 45734, 48880, 56288, 70360, 82673, 91468, 97760, 114335, 140720, 165346, 182936, 228670, 281440, 330692, 365872, 413365, 457340, 661384, 731744, 826730, 914680, 1074749, 1322768, 1653460, 1829360, 2149498, 2645536, 3306920, 3658720, 4298996, 5373745, 6613840, 8597992, 10747490, 13227680, 17195984, 21494980, 34391968, 42989960, 85979920, 171959840]

約数ペア:

[(1, 171959840), (2, 85979920), (4, 42989960), (5, 34391968), (8, 21494980), (10, 17195984), (13, 13227680), (16, 10747490), (20, 8597992), (26, 6613840), (32, 5373745), (40, 4298996), (47, 3658720), (52, 3306920), (65, 2645536), (80, 2149498), (94, 1829360), (104, 1653460), (130, 1322768), (160, 1074749), (188, 914680), (208, 826730), (235, 731744), (260, 661384), (376, 457340), (416, 413365), (470, 365872), (520, 330692), (611, 281440), (752, 228670), (940, 182936), (1040, 165346), (1222, 140720), (1504, 114335), (1759, 97760), (1880, 91468), (2080, 82673), (2444, 70360), (3055, 56288), (3518, 48880), (3760, 45734), (4888, 35180), (6110, 28144), (7036, 24440), (7520, 22867), (8795, 19552), (9776, 17590), (12220, 14072)]