9877840

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{569}}^1$

素因数の和:620

約数の個数: 80

約数和(自身を含む): 27141120

約数和(自身を除く): 17263280

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, 569, 620, 868, 1085, 1138, 1240, 1736, 2170, 2276, 2480, 2845, 3472, 3983, 4340, 4552, 5690, 7966, 8680, 9104, 11380, 15932, 17360, 17639, 19915, 22760, 31864, 35278, 39830, 45520, 63728, 70556, 79660, 88195, 123473, 141112, 159320, 176390, 246946, 282224, 318640, 352780, 493892, 617365, 705560, 987784, 1234730, 1411120, 1975568, 2469460, 4938920, 9877840]

約数ペア:

[(1, 9877840), (2, 4938920), (4, 2469460), (5, 1975568), (7, 1411120), (8, 1234730), (10, 987784), (14, 705560), (16, 617365), (20, 493892), (28, 352780), (31, 318640), (35, 282224), (40, 246946), (56, 176390), (62, 159320), (70, 141112), (80, 123473), (112, 88195), (124, 79660), (140, 70556), (155, 63728), (217, 45520), (248, 39830), (280, 35278), (310, 31864), (434, 22760), (496, 19915), (560, 17639), (569, 17360), (620, 15932), (868, 11380), (1085, 9104), (1138, 8680), (1240, 7966), (1736, 5690), (2170, 4552), (2276, 4340), (2480, 3983), (2845, 3472)]