639454877568

素因数分解:

$2^7\times 3^3\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{1987}}^1$

素因数の和:2084

約数の個数: 768

約数和(自身を含む): 2226480480000

約数和(自身を除く): 1587025602432

約数列:

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約数ペア:

[(1, 639454877568), (2, 319727438784), (3, 213151625856), (4, 159863719392), (6, 106575812928), (8, 79931859696), (9, 71050541952), (12, 53287906464), (13, 49188836736), (16, 39965929848), (18, 35525270976), (19, 33655519872), (24, 26643953232), (26, 24594418368), (27, 23683513984), (29, 22050168192), (32, 19982964924), (36, 17762635488), (38, 16827759936), (39, 16396278912), (48, 13321976616), (52, 12297209184), (54, 11841756992), (57, 11218506624), (58, 11025084096), (64, 9991482462), (72, 8881317744), (76, 8413879968), (78, 8198139456), (87, 7350056064), (96, 6660988308), (104, 6148604592), (108, 5920878496), (114, 5609253312), (116, 5512542048), (117, 5465426304), (128, 4995741231), (144, 4440658872), (152, 4206939984), (156, 4099069728), (169, 3783756672), (171, 3739502208), (174, 3675028032), (192, 3330494154), (208, 3074302296), (216, 2960439248), (228, 2804626656), (232, 2756271024), (234, 2732713152), (247, 2588886144), (261, 2450018688), (288, 2220329436), (304, 2103469992), 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