42120240

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{223}}^1\times {\mathrm{787}}^1$

素因数の和:1026

約数の個数: 80

約数和(自身を含む): 131324928

約数和(自身を除く): 89204688

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 223, 240, 446, 669, 787, 892, 1115, 1338, 1574, 1784, 2230, 2361, 2676, 3148, 3345, 3568, 3935, 4460, 4722, 5352, 6296, 6690, 7870, 8920, 9444, 10704, 11805, 12592, 13380, 15740, 17840, 18888, 23610, 26760, 31480, 37776, 47220, 53520, 62960, 94440, 175501, 188880, 351002, 526503, 702004, 877505, 1053006, 1404008, 1755010, 2106012, 2632515, 2808016, 3510020, 4212024, 5265030, 7020040, 8424048, 10530060, 14040080, 21060120, 42120240]

約数ペア:

[(1, 42120240), (2, 21060120), (3, 14040080), (4, 10530060), (5, 8424048), (6, 7020040), (8, 5265030), (10, 4212024), (12, 3510020), (15, 2808016), (16, 2632515), (20, 2106012), (24, 1755010), (30, 1404008), (40, 1053006), (48, 877505), (60, 702004), (80, 526503), (120, 351002), (223, 188880), (240, 175501), (446, 94440), (669, 62960), (787, 53520), (892, 47220), (1115, 37776), (1338, 31480), (1574, 26760), (1784, 23610), (2230, 18888), (2361, 17840), (2676, 15740), (3148, 13380), (3345, 12592), (3568, 11805), (3935, 10704), (4460, 9444), (4722, 8920), (5352, 7870), (6296, 6690)]