652359040

素因数分解:

$2^7\times 5^1\times {\mathrm{31}}^1\times {\mathrm{131}}^1\times {\mathrm{251}}^1$

素因数の和:432

約数の個数: 128

約数和(自身を含む): 1628605440

約数和(自身を除く): 976246400

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 128, 131, 155, 160, 248, 251, 262, 310, 320, 496, 502, 524, 620, 640, 655, 992, 1004, 1048, 1240, 1255, 1310, 1984, 2008, 2096, 2480, 2510, 2620, 3968, 4016, 4061, 4192, 4960, 5020, 5240, 7781, 8032, 8122, 8384, 9920, 10040, 10480, 15562, 16064, 16244, 16768, 19840, 20080, 20305, 20960, 31124, 32128, 32488, 32881, 38905, 40160, 40610, 41920, 62248, 64976, 65762, 77810, 80320, 81220, 83840, 124496, 129952, 131524, 155620, 160640, 162440, 164405, 248992, 259904, 263048, 311240, 324880, 328810, 497984, 519808, 526096, 622480, 649760, 657620, 995968, 1019311, 1052192, 1244960, 1299520, 1315240, 2038622, 2104384, 2489920, 2599040, 2630480, 4077244, 4208768, 4979840, 5096555, 5260960, 8154488, 10193110, 10521920, 16308976, 20386220, 21043840, 32617952, 40772440, 65235904, 81544880, 130471808, 163089760, 326179520, 652359040]

約数ペア:

[(1, 652359040), (2, 326179520), (4, 163089760), (5, 130471808), (8, 81544880), (10, 65235904), (16, 40772440), (20, 32617952), (31, 21043840), (32, 20386220), (40, 16308976), (62, 10521920), (64, 10193110), (80, 8154488), (124, 5260960), (128, 5096555), (131, 4979840), (155, 4208768), (160, 4077244), (248, 2630480), (251, 2599040), (262, 2489920), (310, 2104384), (320, 2038622), (496, 1315240), (502, 1299520), (524, 1244960), (620, 1052192), (640, 1019311), (655, 995968), (992, 657620), (1004, 649760), (1048, 622480), (1240, 526096), (1255, 519808), (1310, 497984), (1984, 328810), (2008, 324880), (2096, 311240), (2480, 263048), (2510, 259904), (2620, 248992), (3968, 164405), (4016, 162440), (4061, 160640), (4192, 155620), (4960, 131524), (5020, 129952), (5240, 124496), (7781, 83840), (8032, 81220), (8122, 80320), (8384, 77810), (9920, 65762), (10040, 64976), (10480, 62248), (15562, 41920), (16064, 40610), (16244, 40160), (16768, 38905), (19840, 32881), (20080, 32488), (20305, 32128), (20960, 31124)]