1080040

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{67}}^1$

素因数の和:122

約数の個数: 64

約数和(自身を含む): 2741760

約数和(自身を除く): 1661720

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 31, 40, 52, 62, 65, 67, 104, 124, 130, 134, 155, 248, 260, 268, 310, 335, 403, 520, 536, 620, 670, 806, 871, 1240, 1340, 1612, 1742, 2015, 2077, 2680, 3224, 3484, 4030, 4154, 4355, 6968, 8060, 8308, 8710, 10385, 16120, 16616, 17420, 20770, 27001, 34840, 41540, 54002, 83080, 108004, 135005, 216008, 270010, 540020, 1080040]

約数ペア:

[(1, 1080040), (2, 540020), (4, 270010), (5, 216008), (8, 135005), (10, 108004), (13, 83080), (20, 54002), (26, 41540), (31, 34840), (40, 27001), (52, 20770), (62, 17420), (65, 16616), (67, 16120), (104, 10385), (124, 8710), (130, 8308), (134, 8060), (155, 6968), (248, 4355), (260, 4154), (268, 4030), (310, 3484), (335, 3224), (403, 2680), (520, 2077), (536, 2015), (620, 1742), (670, 1612), (806, 1340), (871, 1240)]