127089080

素因数分解:

$2^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{1997}}^1$

素因数の和:2088

約数の個数: 64

約数和(自身を含む): 300659040

約数和(自身を除く): 173569960

約数列:

[1, 2, 4, 5, 8, 10, 20, 37, 40, 43, 74, 86, 148, 172, 185, 215, 296, 344, 370, 430, 740, 860, 1480, 1591, 1720, 1997, 3182, 3994, 6364, 7955, 7988, 9985, 12728, 15910, 15976, 19970, 31820, 39940, 63640, 73889, 79880, 85871, 147778, 171742, 295556, 343484, 369445, 429355, 591112, 686968, 738890, 858710, 1477780, 1717420, 2955560, 3177227, 3434840, 6354454, 12708908, 15886135, 25417816, 31772270, 63544540, 127089080]

約数ペア:

[(1, 127089080), (2, 63544540), (4, 31772270), (5, 25417816), (8, 15886135), (10, 12708908), (20, 6354454), (37, 3434840), (40, 3177227), (43, 2955560), (74, 1717420), (86, 1477780), (148, 858710), (172, 738890), (185, 686968), (215, 591112), (296, 429355), (344, 369445), (370, 343484), (430, 295556), (740, 171742), (860, 147778), (1480, 85871), (1591, 79880), (1720, 73889), (1997, 63640), (3182, 39940), (3994, 31820), (6364, 19970), (7955, 15976), (7988, 15910), (9985, 12728)]