71799880

素因数分解:

$2^3\times 5^1\times {\mathrm{67}}^1\times {\mathrm{73}}^1\times {\mathrm{367}}^1$

素因数の和:518

約数の個数: 64

約数和(自身を含む): 166659840

約数和(自身を除く): 94859960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 67, 73, 134, 146, 268, 292, 335, 365, 367, 536, 584, 670, 730, 734, 1340, 1460, 1468, 1835, 2680, 2920, 2936, 3670, 4891, 7340, 9782, 14680, 19564, 24455, 24589, 26791, 39128, 48910, 49178, 53582, 97820, 98356, 107164, 122945, 133955, 195640, 196712, 214328, 245890, 267910, 491780, 535820, 983560, 1071640, 1794997, 3589994, 7179988, 8974985, 14359976, 17949970, 35899940, 71799880]

約数ペア:

[(1, 71799880), (2, 35899940), (4, 17949970), (5, 14359976), (8, 8974985), (10, 7179988), (20, 3589994), (40, 1794997), (67, 1071640), (73, 983560), (134, 535820), (146, 491780), (268, 267910), (292, 245890), (335, 214328), (365, 196712), (367, 195640), (536, 133955), (584, 122945), (670, 107164), (730, 98356), (734, 97820), (1340, 53582), (1460, 49178), (1468, 48910), (1835, 39128), (2680, 26791), (2920, 24589), (2936, 24455), (3670, 19564), (4891, 14680), (7340, 9782)]