85297980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{20023}}^1$

素因数の和:20106

約数の個数: 48

約数和(自身を含む): 242210304

約数和(自身を除く): 156912324

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 71, 142, 213, 284, 355, 426, 710, 852, 1065, 1420, 2130, 4260, 20023, 40046, 60069, 80092, 100115, 120138, 200230, 240276, 300345, 400460, 600690, 1201380, 1421633, 2843266, 4264899, 5686532, 7108165, 8529798, 14216330, 17059596, 21324495, 28432660, 42648990, 85297980]

約数ペア:

[(1, 85297980), (2, 42648990), (3, 28432660), (4, 21324495), (5, 17059596), (6, 14216330), (10, 8529798), (12, 7108165), (15, 5686532), (20, 4264899), (30, 2843266), (60, 1421633), (71, 1201380), (142, 600690), (213, 400460), (284, 300345), (355, 240276), (426, 200230), (710, 120138), (852, 100115), (1065, 80092), (1420, 60069), (2130, 40046), (4260, 20023)]