87680760

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{197}}^1\times {\mathrm{3709}}^1$

素因数の和:3920

約数の個数: 64

約数和(自身を含む): 264448800

約数和(自身を除く): 176768040

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 197, 394, 591, 788, 985, 1182, 1576, 1970, 2364, 2955, 3709, 3940, 4728, 5910, 7418, 7880, 11127, 11820, 14836, 18545, 22254, 23640, 29672, 37090, 44508, 55635, 74180, 89016, 111270, 148360, 222540, 445080, 730673, 1461346, 2192019, 2922692, 3653365, 4384038, 5845384, 7306730, 8768076, 10960095, 14613460, 17536152, 21920190, 29226920, 43840380, 87680760]

約数ペア:

[(1, 87680760), (2, 43840380), (3, 29226920), (4, 21920190), (5, 17536152), (6, 14613460), (8, 10960095), (10, 8768076), (12, 7306730), (15, 5845384), (20, 4384038), (24, 3653365), (30, 2922692), (40, 2192019), (60, 1461346), (120, 730673), (197, 445080), (394, 222540), (591, 148360), (788, 111270), (985, 89016), (1182, 74180), (1576, 55635), (1970, 44508), (2364, 37090), (2955, 29672), (3709, 23640), (3940, 22254), (4728, 18545), (5910, 14836), (7418, 11820), (7880, 11127)]