128508240

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{76493}}^1$

素因数の和:76516

約数の個数: 80

約数和(自身を含む): 455292288

約数和(自身を除く): 326784048

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 56, 60, 70, 80, 84, 105, 112, 120, 140, 168, 210, 240, 280, 336, 420, 560, 840, 1680, 76493, 152986, 229479, 305972, 382465, 458958, 535451, 611944, 764930, 917916, 1070902, 1147395, 1223888, 1529860, 1606353, 1835832, 2141804, 2294790, 2677255, 3059720, 3212706, 3671664, 4283608, 4589580, 5354510, 6119440, 6425412, 8031765, 8567216, 9179160, 10709020, 12850824, 16063530, 18358320, 21418040, 25701648, 32127060, 42836080, 64254120, 128508240]

約数ペア:

[(1, 128508240), (2, 64254120), (3, 42836080), (4, 32127060), (5, 25701648), (6, 21418040), (7, 18358320), (8, 16063530), (10, 12850824), (12, 10709020), (14, 9179160), (15, 8567216), (16, 8031765), (20, 6425412), (21, 6119440), (24, 5354510), (28, 4589580), (30, 4283608), (35, 3671664), (40, 3212706), (42, 3059720), (48, 2677255), (56, 2294790), (60, 2141804), (70, 1835832), (80, 1606353), (84, 1529860), (105, 1223888), (112, 1147395), (120, 1070902), (140, 917916), (168, 764930), (210, 611944), (240, 535451), (280, 458958), (336, 382465), (420, 305972), (560, 229479), (840, 152986), (1680, 76493)]