628291360

素因数分解:

$2^5\times 5^1\times {\mathrm{1259}}^1\times {\mathrm{3119}}^1$

素因数の和:4393

約数の個数: 48

約数和(自身を含む): 1485993600

約数和(自身を除く): 857702240

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 1259, 2518, 3119, 5036, 6238, 6295, 10072, 12476, 12590, 15595, 20144, 24952, 25180, 31190, 40288, 49904, 50360, 62380, 99808, 100720, 124760, 201440, 249520, 499040, 3926821, 7853642, 15707284, 19634105, 31414568, 39268210, 62829136, 78536420, 125658272, 157072840, 314145680, 628291360]

約数ペア:

[(1, 628291360), (2, 314145680), (4, 157072840), (5, 125658272), (8, 78536420), (10, 62829136), (16, 39268210), (20, 31414568), (32, 19634105), (40, 15707284), (80, 7853642), (160, 3926821), (1259, 499040), (2518, 249520), (3119, 201440), (5036, 124760), (6238, 100720), (6295, 99808), (10072, 62380), (12476, 50360), (12590, 49904), (15595, 40288), (20144, 31190), (24952, 25180)]