254438080

素因数分解:

$2^6\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{1973}}^1$

素因数の和:2034

約数の個数: 112

約数和(自身を含む): 673876224

約数和(自身を除く): 419438144

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 31, 32, 40, 52, 62, 64, 65, 80, 104, 124, 130, 155, 160, 208, 248, 260, 310, 320, 403, 416, 496, 520, 620, 806, 832, 992, 1040, 1240, 1612, 1973, 1984, 2015, 2080, 2480, 3224, 3946, 4030, 4160, 4960, 6448, 7892, 8060, 9865, 9920, 12896, 15784, 16120, 19730, 25649, 25792, 31568, 32240, 39460, 51298, 61163, 63136, 64480, 78920, 102596, 122326, 126272, 128245, 128960, 157840, 205192, 244652, 256490, 305815, 315680, 410384, 489304, 512980, 611630, 631360, 795119, 820768, 978608, 1025960, 1223260, 1590238, 1641536, 1957216, 2051920, 2446520, 3180476, 3914432, 3975595, 4103840, 4893040, 6360952, 7951190, 8207680, 9786080, 12721904, 15902380, 19572160, 25443808, 31804760, 50887616, 63609520, 127219040, 254438080]

約数ペア:

[(1, 254438080), (2, 127219040), (4, 63609520), (5, 50887616), (8, 31804760), (10, 25443808), (13, 19572160), (16, 15902380), (20, 12721904), (26, 9786080), (31, 8207680), (32, 7951190), (40, 6360952), (52, 4893040), (62, 4103840), (64, 3975595), (65, 3914432), (80, 3180476), (104, 2446520), (124, 2051920), (130, 1957216), (155, 1641536), (160, 1590238), (208, 1223260), (248, 1025960), (260, 978608), (310, 820768), (320, 795119), (403, 631360), (416, 611630), (496, 512980), (520, 489304), (620, 410384), (806, 315680), (832, 305815), (992, 256490), (1040, 244652), (1240, 205192), (1612, 157840), (1973, 128960), (1984, 128245), (2015, 126272), (2080, 122326), (2480, 102596), (3224, 78920), (3946, 64480), (4030, 63136), (4160, 61163), (4960, 51298), (6448, 39460), (7892, 32240), (8060, 31568), (9865, 25792), (9920, 25649), (12896, 19730), (15784, 16120)]