613637680

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{13921}}^1$

素因数の和:13982

約数の個数: 80

約数和(自身を含む): 1553695200

約数和(自身を除く): 940057520

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 29, 38, 40, 58, 76, 80, 95, 116, 145, 152, 190, 232, 290, 304, 380, 464, 551, 580, 760, 1102, 1160, 1520, 2204, 2320, 2755, 4408, 5510, 8816, 11020, 13921, 22040, 27842, 44080, 55684, 69605, 111368, 139210, 222736, 264499, 278420, 403709, 528998, 556840, 807418, 1057996, 1113680, 1322495, 1614836, 2018545, 2115992, 2644990, 3229672, 4037090, 4231984, 5289980, 6459344, 7670471, 8074180, 10579960, 15340942, 16148360, 21159920, 30681884, 32296720, 38352355, 61363768, 76704710, 122727536, 153409420, 306818840, 613637680]

約数ペア:

[(1, 613637680), (2, 306818840), (4, 153409420), (5, 122727536), (8, 76704710), (10, 61363768), (16, 38352355), (19, 32296720), (20, 30681884), (29, 21159920), (38, 16148360), (40, 15340942), (58, 10579960), (76, 8074180), (80, 7670471), (95, 6459344), (116, 5289980), (145, 4231984), (152, 4037090), (190, 3229672), (232, 2644990), (290, 2115992), (304, 2018545), (380, 1614836), (464, 1322495), (551, 1113680), (580, 1057996), (760, 807418), (1102, 556840), (1160, 528998), (1520, 403709), (2204, 278420), (2320, 264499), (2755, 222736), (4408, 139210), (5510, 111368), (8816, 69605), (11020, 55684), (13921, 44080), (22040, 27842)]