75470720

素因数分解:

$2^7\times 5^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{193}}^1$

素因数の和:272

約数の個数: 128

約数和(自身を含む): 199463040

約数和(自身を除く): 123992320

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 47, 52, 64, 65, 80, 94, 104, 128, 130, 160, 188, 193, 208, 235, 260, 320, 376, 386, 416, 470, 520, 611, 640, 752, 772, 832, 940, 965, 1040, 1222, 1504, 1544, 1664, 1880, 1930, 2080, 2444, 2509, 3008, 3055, 3088, 3760, 3860, 4160, 4888, 5018, 6016, 6110, 6176, 7520, 7720, 8320, 9071, 9776, 10036, 12220, 12352, 12545, 15040, 15440, 18142, 19552, 20072, 24440, 24704, 25090, 30080, 30880, 36284, 39104, 40144, 45355, 48880, 50180, 61760, 72568, 78208, 80288, 90710, 97760, 100360, 117923, 123520, 145136, 160576, 181420, 195520, 200720, 235846, 290272, 321152, 362840, 391040, 401440, 471692, 580544, 589615, 725680, 802880, 943384, 1161088, 1179230, 1451360, 1605760, 1886768, 2358460, 2902720, 3773536, 4716920, 5805440, 7547072, 9433840, 15094144, 18867680, 37735360, 75470720]

約数ペア:

[(1, 75470720), (2, 37735360), (4, 18867680), (5, 15094144), (8, 9433840), (10, 7547072), (13, 5805440), (16, 4716920), (20, 3773536), (26, 2902720), (32, 2358460), (40, 1886768), (47, 1605760), (52, 1451360), (64, 1179230), (65, 1161088), (80, 943384), (94, 802880), (104, 725680), (128, 589615), (130, 580544), (160, 471692), (188, 401440), (193, 391040), (208, 362840), (235, 321152), (260, 290272), (320, 235846), (376, 200720), (386, 195520), (416, 181420), (470, 160576), (520, 145136), (611, 123520), (640, 117923), (752, 100360), (772, 97760), (832, 90710), (940, 80288), (965, 78208), (1040, 72568), (1222, 61760), (1504, 50180), (1544, 48880), (1664, 45355), (1880, 40144), (1930, 39104), (2080, 36284), (2444, 30880), (2509, 30080), (3008, 25090), (3055, 24704), (3088, 24440), (3760, 20072), (3860, 19552), (4160, 18142), (4888, 15440), (5018, 15040), (6016, 12545), (6110, 12352), (6176, 12220), (7520, 10036), (7720, 9776), (8320, 9071)]