80869890

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{337}}^1\times {\mathrm{421}}^1$

素因数の和:787

約数の個数: 64

約数和(自身を含む): 205395840

約数和(自身を除く): 124525950

約数列:

[1, 2, 3, 5, 6, 10, 15, 19, 30, 38, 57, 95, 114, 190, 285, 337, 421, 570, 674, 842, 1011, 1263, 1685, 2022, 2105, 2526, 3370, 4210, 5055, 6315, 6403, 7999, 10110, 12630, 12806, 15998, 19209, 23997, 32015, 38418, 39995, 47994, 64030, 79990, 96045, 119985, 141877, 192090, 239970, 283754, 425631, 709385, 851262, 1418770, 2128155, 2695663, 4256310, 5391326, 8086989, 13478315, 16173978, 26956630, 40434945, 80869890]

約数ペア:

[(1, 80869890), (2, 40434945), (3, 26956630), (5, 16173978), (6, 13478315), (10, 8086989), (15, 5391326), (19, 4256310), (30, 2695663), (38, 2128155), (57, 1418770), (95, 851262), (114, 709385), (190, 425631), (285, 283754), (337, 239970), (421, 192090), (570, 141877), (674, 119985), (842, 96045), (1011, 79990), (1263, 64030), (1685, 47994), (2022, 39995), (2105, 38418), (2526, 32015), (3370, 23997), (4210, 19209), (5055, 15998), (6315, 12806), (6403, 12630), (7999, 10110)]