74647860

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{1997}}^1$

素因数の和:2105

約数の個数: 96

約数和(自身を含む): 241678080

約数和(自身を除く): 167030220

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 89, 105, 140, 178, 210, 267, 356, 420, 445, 534, 623, 890, 1068, 1246, 1335, 1780, 1869, 1997, 2492, 2670, 3115, 3738, 3994, 5340, 5991, 6230, 7476, 7988, 9345, 9985, 11982, 12460, 13979, 18690, 19970, 23964, 27958, 29955, 37380, 39940, 41937, 55916, 59910, 69895, 83874, 119820, 139790, 167748, 177733, 209685, 279580, 355466, 419370, 533199, 710932, 838740, 888665, 1066398, 1244131, 1777330, 2132796, 2488262, 2665995, 3554660, 3732393, 4976524, 5331990, 6220655, 7464786, 10663980, 12441310, 14929572, 18661965, 24882620, 37323930, 74647860]

約数ペア:

[(1, 74647860), (2, 37323930), (3, 24882620), (4, 18661965), (5, 14929572), (6, 12441310), (7, 10663980), (10, 7464786), (12, 6220655), (14, 5331990), (15, 4976524), (20, 3732393), (21, 3554660), (28, 2665995), (30, 2488262), (35, 2132796), (42, 1777330), (60, 1244131), (70, 1066398), (84, 888665), (89, 838740), (105, 710932), (140, 533199), (178, 419370), (210, 355466), (267, 279580), (356, 209685), (420, 177733), (445, 167748), (534, 139790), (623, 119820), (890, 83874), (1068, 69895), (1246, 59910), (1335, 55916), (1780, 41937), (1869, 39940), (1997, 37380), (2492, 29955), (2670, 27958), (3115, 23964), (3738, 19970), (3994, 18690), (5340, 13979), (5991, 12460), (6230, 11982), (7476, 9985), (7988, 9345)]