2018779520

素因数分解:

$2^7\times 5^1\times {\mathrm{31}}^1\times {\mathrm{97}}^1\times {\mathrm{1049}}^1$

素因数の和:1196

約数の個数: 128

約数和(自身を含む): 5037984000

約数和(自身を除く): 3019204480

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 97, 124, 128, 155, 160, 194, 248, 310, 320, 388, 485, 496, 620, 640, 776, 970, 992, 1049, 1240, 1552, 1940, 1984, 2098, 2480, 3007, 3104, 3880, 3968, 4196, 4960, 5245, 6014, 6208, 7760, 8392, 9920, 10490, 12028, 12416, 15035, 15520, 16784, 19840, 20980, 24056, 30070, 31040, 32519, 33568, 41960, 48112, 60140, 62080, 65038, 67136, 83920, 96224, 101753, 120280, 130076, 134272, 162595, 167840, 192448, 203506, 240560, 260152, 325190, 335680, 384896, 407012, 481120, 508765, 520304, 650380, 671360, 814024, 962240, 1017530, 1040608, 1300760, 1628048, 1924480, 2035060, 2081216, 2601520, 3154343, 3256096, 4070120, 4162432, 5203040, 6308686, 6512192, 8140240, 10406080, 12617372, 13024384, 15771715, 16280480, 20812160, 25234744, 31543430, 32560960, 50469488, 63086860, 65121920, 100938976, 126173720, 201877952, 252347440, 403755904, 504694880, 1009389760, 2018779520]

約数ペア:

[(1, 2018779520), (2, 1009389760), (4, 504694880), (5, 403755904), (8, 252347440), (10, 201877952), (16, 126173720), (20, 100938976), (31, 65121920), (32, 63086860), (40, 50469488), (62, 32560960), (64, 31543430), (80, 25234744), (97, 20812160), (124, 16280480), (128, 15771715), (155, 13024384), (160, 12617372), (194, 10406080), (248, 8140240), (310, 6512192), (320, 6308686), (388, 5203040), (485, 4162432), (496, 4070120), (620, 3256096), (640, 3154343), (776, 2601520), (970, 2081216), (992, 2035060), (1049, 1924480), (1240, 1628048), (1552, 1300760), (1940, 1040608), (1984, 1017530), (2098, 962240), (2480, 814024), (3007, 671360), (3104, 650380), (3880, 520304), (3968, 508765), (4196, 481120), (4960, 407012), (5245, 384896), (6014, 335680), (6208, 325190), (7760, 260152), (8392, 240560), (9920, 203506), (10490, 192448), (12028, 167840), (12416, 162595), (15035, 134272), (15520, 130076), (16784, 120280), (19840, 101753), (20980, 96224), (24056, 83920), (30070, 67136), (31040, 65038), (32519, 62080), (33568, 60140), (41960, 48112)]