131410240

素因数分解:

$2^6\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{1019}}^1$

素因数の和:1080

約数の個数: 112

約数和(自身を含む): 348203520

約数和(自身を除く): 216793280

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, 1019, 1040, 1240, 1612, 1984, 2015, 2038, 2080, 2480, 3224, 4030, 4076, 4160, 4960, 5095, 6448, 8060, 8152, 9920, 10190, 12896, 13247, 16120, 16304, 20380, 25792, 26494, 31589, 32240, 32608, 40760, 52988, 63178, 64480, 65216, 66235, 81520, 105976, 126356, 128960, 132470, 157945, 163040, 211952, 252712, 264940, 315890, 326080, 410657, 423904, 505424, 529880, 631780, 821314, 847808, 1010848, 1059760, 1263560, 1642628, 2021696, 2053285, 2119520, 2527120, 3285256, 4106570, 4239040, 5054240, 6570512, 8213140, 10108480, 13141024, 16426280, 26282048, 32852560, 65705120, 131410240]

約数ペア:

[(1, 131410240), (2, 65705120), (4, 32852560), (5, 26282048), (8, 16426280), (10, 13141024), (13, 10108480), (16, 8213140), (20, 6570512), (26, 5054240), (31, 4239040), (32, 4106570), (40, 3285256), (52, 2527120), (62, 2119520), (64, 2053285), (65, 2021696), (80, 1642628), (104, 1263560), (124, 1059760), (130, 1010848), (155, 847808), (160, 821314), (208, 631780), (248, 529880), (260, 505424), (310, 423904), (320, 410657), (403, 326080), (416, 315890), (496, 264940), (520, 252712), (620, 211952), (806, 163040), (832, 157945), (992, 132470), (1019, 128960), (1040, 126356), (1240, 105976), (1612, 81520), (1984, 66235), (2015, 65216), (2038, 64480), (2080, 63178), (2480, 52988), (3224, 40760), (4030, 32608), (4076, 32240), (4160, 31589), (4960, 26494), (5095, 25792), (6448, 20380), (8060, 16304), (8152, 16120), (9920, 13247), (10190, 12896)]