391651520

素因数分解:

$2^6\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{3037}}^1$

素因数の和:3098

約数の個数: 112

約数和(自身を含む): 1037100288

約数和(自身を除く): 645448768

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, 1984, 2015, 2080, 2480, 3037, 3224, 4030, 4160, 4960, 6074, 6448, 8060, 9920, 12148, 12896, 15185, 16120, 24296, 25792, 30370, 32240, 39481, 48592, 60740, 64480, 78962, 94147, 97184, 121480, 128960, 157924, 188294, 194368, 197405, 242960, 315848, 376588, 394810, 470735, 485920, 631696, 753176, 789620, 941470, 971840, 1223911, 1263392, 1506352, 1579240, 1882940, 2447822, 2526784, 3012704, 3158480, 3765880, 4895644, 6025408, 6119555, 6316960, 7531760, 9791288, 12239110, 12633920, 15063520, 19582576, 24478220, 30127040, 39165152, 48956440, 78330304, 97912880, 195825760, 391651520]

約数ペア:

[(1, 391651520), (2, 195825760), (4, 97912880), (5, 78330304), (8, 48956440), (10, 39165152), (13, 30127040), (16, 24478220), (20, 19582576), (26, 15063520), (31, 12633920), (32, 12239110), (40, 9791288), (52, 7531760), (62, 6316960), (64, 6119555), (65, 6025408), (80, 4895644), (104, 3765880), (124, 3158480), (130, 3012704), (155, 2526784), (160, 2447822), (208, 1882940), (248, 1579240), (260, 1506352), (310, 1263392), (320, 1223911), (403, 971840), (416, 941470), (496, 789620), (520, 753176), (620, 631696), (806, 485920), (832, 470735), (992, 394810), (1040, 376588), (1240, 315848), (1612, 242960), (1984, 197405), (2015, 194368), (2080, 188294), (2480, 157924), (3037, 128960), (3224, 121480), (4030, 97184), (4160, 94147), (4960, 78962), (6074, 64480), (6448, 60740), (8060, 48592), (9920, 39481), (12148, 32240), (12896, 30370), (15185, 25792), (16120, 24296)]