12481840

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{719}}^1$

素因数の和:770

約数の個数: 80

約数和(自身を含む): 34283520

約数和(自身を除く): 21801680

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 35, 40, 56, 62, 70, 80, 112, 124, 140, 155, 217, 248, 280, 310, 434, 496, 560, 620, 719, 868, 1085, 1240, 1438, 1736, 2170, 2480, 2876, 3472, 3595, 4340, 5033, 5752, 7190, 8680, 10066, 11504, 14380, 17360, 20132, 22289, 25165, 28760, 40264, 44578, 50330, 57520, 80528, 89156, 100660, 111445, 156023, 178312, 201320, 222890, 312046, 356624, 402640, 445780, 624092, 780115, 891560, 1248184, 1560230, 1783120, 2496368, 3120460, 6240920, 12481840]

約数ペア:

[(1, 12481840), (2, 6240920), (4, 3120460), (5, 2496368), (7, 1783120), (8, 1560230), (10, 1248184), (14, 891560), (16, 780115), (20, 624092), (28, 445780), (31, 402640), (35, 356624), (40, 312046), (56, 222890), (62, 201320), (70, 178312), (80, 156023), (112, 111445), (124, 100660), (140, 89156), (155, 80528), (217, 57520), (248, 50330), (280, 44578), (310, 40264), (434, 28760), (496, 25165), (560, 22289), (620, 20132), (719, 17360), (868, 14380), (1085, 11504), (1240, 10066), (1438, 8680), (1736, 7190), (2170, 5752), (2480, 5033), (2876, 4340), (3472, 3595)]