84360920

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{9719}}^1$

素因数の和:9768

約数の個数: 64

約数和(自身を含む): 223948800

約数和(自身を除く): 139587880

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 31, 35, 40, 56, 62, 70, 124, 140, 155, 217, 248, 280, 310, 434, 620, 868, 1085, 1240, 1736, 2170, 4340, 8680, 9719, 19438, 38876, 48595, 68033, 77752, 97190, 136066, 194380, 272132, 301289, 340165, 388760, 544264, 602578, 680330, 1205156, 1360660, 1506445, 2109023, 2410312, 2721320, 3012890, 4218046, 6025780, 8436092, 10545115, 12051560, 16872184, 21090230, 42180460, 84360920]

約数ペア:

[(1, 84360920), (2, 42180460), (4, 21090230), (5, 16872184), (7, 12051560), (8, 10545115), (10, 8436092), (14, 6025780), (20, 4218046), (28, 3012890), (31, 2721320), (35, 2410312), (40, 2109023), (56, 1506445), (62, 1360660), (70, 1205156), (124, 680330), (140, 602578), (155, 544264), (217, 388760), (248, 340165), (280, 301289), (310, 272132), (434, 194380), (620, 136066), (868, 97190), (1085, 77752), (1240, 68033), (1736, 48595), (2170, 38876), (4340, 19438), (8680, 9719)]