391709760

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31387}}^1$

素因数の和:31420

約数の個数: 112

約数和(自身を含む): 1339388736

約数和(自身を除く): 947678976

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 32, 39, 40, 48, 52, 60, 64, 65, 78, 80, 96, 104, 120, 130, 156, 160, 192, 195, 208, 240, 260, 312, 320, 390, 416, 480, 520, 624, 780, 832, 960, 1040, 1248, 1560, 2080, 2496, 3120, 4160, 6240, 12480, 31387, 62774, 94161, 125548, 156935, 188322, 251096, 313870, 376644, 408031, 470805, 502192, 627740, 753288, 816062, 941610, 1004384, 1224093, 1255480, 1506576, 1632124, 1883220, 2008768, 2040155, 2448186, 2510960, 3013152, 3264248, 3766440, 4080310, 4896372, 5021920, 6026304, 6120465, 6528496, 7532880, 8160620, 9792744, 10043840, 12240930, 13056992, 15065760, 16321240, 19585488, 24481860, 26113984, 30131520, 32642480, 39170976, 48963720, 65284960, 78341952, 97927440, 130569920, 195854880, 391709760]

約数ペア:

[(1, 391709760), (2, 195854880), (3, 130569920), (4, 97927440), (5, 78341952), (6, 65284960), (8, 48963720), (10, 39170976), (12, 32642480), (13, 30131520), (15, 26113984), (16, 24481860), (20, 19585488), (24, 16321240), (26, 15065760), (30, 13056992), (32, 12240930), (39, 10043840), (40, 9792744), (48, 8160620), (52, 7532880), (60, 6528496), (64, 6120465), (65, 6026304), (78, 5021920), (80, 4896372), (96, 4080310), (104, 3766440), (120, 3264248), (130, 3013152), (156, 2510960), (160, 2448186), (192, 2040155), (195, 2008768), (208, 1883220), (240, 1632124), (260, 1506576), (312, 1255480), (320, 1224093), (390, 1004384), (416, 941610), (480, 816062), (520, 753288), (624, 627740), (780, 502192), (832, 470805), (960, 408031), (1040, 376644), (1248, 313870), (1560, 251096), (2080, 188322), (2496, 156935), (3120, 125548), (4160, 94161), (6240, 62774), (12480, 31387)]