68736920

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{7919}}^1$

素因数の和:7968

約数の個数: 64

約数和(自身を含む): 182476800

約数和(自身を除く): 113739880

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, 7919, 8680, 15838, 31676, 39595, 55433, 63352, 79190, 110866, 158380, 221732, 245489, 277165, 316760, 443464, 490978, 554330, 981956, 1108660, 1227445, 1718423, 1963912, 2217320, 2454890, 3436846, 4909780, 6873692, 8592115, 9819560, 13747384, 17184230, 34368460, 68736920]

約数ペア:

[(1, 68736920), (2, 34368460), (4, 17184230), (5, 13747384), (7, 9819560), (8, 8592115), (10, 6873692), (14, 4909780), (20, 3436846), (28, 2454890), (31, 2217320), (35, 1963912), (40, 1718423), (56, 1227445), (62, 1108660), (70, 981956), (124, 554330), (140, 490978), (155, 443464), (217, 316760), (248, 277165), (280, 245489), (310, 221732), (434, 158380), (620, 110866), (868, 79190), (1085, 63352), (1240, 55433), (1736, 39595), (2170, 31676), (4340, 15838), (7919, 8680)]