2018071520

素因数分解:

$2^5\times 5^1\times {\mathrm{23}}^2\times {\mathrm{113}}^1\times {\mathrm{211}}^1$

素因数の和:385

約数の個数: 144

約数和(自身を含む): 5051933712

約数和(自身を除く): 3033862192

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 32, 40, 46, 80, 92, 113, 115, 160, 184, 211, 226, 230, 368, 422, 452, 460, 529, 565, 736, 844, 904, 920, 1055, 1058, 1130, 1688, 1808, 1840, 2110, 2116, 2260, 2599, 2645, 3376, 3616, 3680, 4220, 4232, 4520, 4853, 5198, 5290, 6752, 8440, 8464, 9040, 9706, 10396, 10580, 12995, 16880, 16928, 18080, 19412, 20792, 21160, 23843, 24265, 25990, 33760, 38824, 41584, 42320, 47686, 48530, 51980, 59777, 77648, 83168, 84640, 95372, 97060, 103960, 111619, 119215, 119554, 155296, 190744, 194120, 207920, 223238, 238430, 239108, 298885, 381488, 388240, 415840, 446476, 476860, 478216, 548389, 558095, 597770, 762976, 776480, 892952, 953720, 956432, 1096778, 1116190, 1195540, 1785904, 1907440, 1912864, 2193556, 2232380, 2391080, 2741945, 3571808, 3814880, 4387112, 4464760, 4782160, 5483890, 8774224, 8929520, 9564320, 10967780, 12612947, 17548448, 17859040, 21935560, 25225894, 43871120, 50451788, 63064735, 87742240, 100903576, 126129470, 201807152, 252258940, 403614304, 504517880, 1009035760, 2018071520]

約数ペア:

[(1, 2018071520), (2, 1009035760), (4, 504517880), (5, 403614304), (8, 252258940), (10, 201807152), (16, 126129470), (20, 100903576), (23, 87742240), (32, 63064735), (40, 50451788), (46, 43871120), (80, 25225894), (92, 21935560), (113, 17859040), (115, 17548448), (160, 12612947), (184, 10967780), (211, 9564320), (226, 8929520), (230, 8774224), (368, 5483890), (422, 4782160), (452, 4464760), (460, 4387112), (529, 3814880), (565, 3571808), (736, 2741945), (844, 2391080), (904, 2232380), (920, 2193556), (1055, 1912864), (1058, 1907440), (1130, 1785904), (1688, 1195540), (1808, 1116190), (1840, 1096778), (2110, 956432), (2116, 953720), (2260, 892952), (2599, 776480), (2645, 762976), (3376, 597770), (3616, 558095), (3680, 548389), (4220, 478216), (4232, 476860), (4520, 446476), (4853, 415840), (5198, 388240), (5290, 381488), (6752, 298885), (8440, 239108), (8464, 238430), (9040, 223238), (9706, 207920), (10396, 194120), (10580, 190744), (12995, 155296), (16880, 119554), (16928, 119215), (18080, 111619), (19412, 103960), (20792, 97060), (21160, 95372), (23843, 84640), (24265, 83168), (25990, 77648), (33760, 59777), (38824, 51980), (41584, 48530), (42320, 47686)]