639804570

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{457}}^1\times {\mathrm{2029}}^1$

素因数の和:2519

約数の個数: 64

約数和(自身を含む): 1606590720

約数和(自身を除く): 966786150

約数列:

[1, 2, 3, 5, 6, 10, 15, 23, 30, 46, 69, 115, 138, 230, 345, 457, 690, 914, 1371, 2029, 2285, 2742, 4058, 4570, 6087, 6855, 10145, 10511, 12174, 13710, 20290, 21022, 30435, 31533, 46667, 52555, 60870, 63066, 93334, 105110, 140001, 157665, 233335, 280002, 315330, 466670, 700005, 927253, 1400010, 1854506, 2781759, 4636265, 5563518, 9272530, 13908795, 21326819, 27817590, 42653638, 63980457, 106634095, 127960914, 213268190, 319902285, 639804570]

約数ペア:

[(1, 639804570), (2, 319902285), (3, 213268190), (5, 127960914), (6, 106634095), (10, 63980457), (15, 42653638), (23, 27817590), (30, 21326819), (46, 13908795), (69, 9272530), (115, 5563518), (138, 4636265), (230, 2781759), (345, 1854506), (457, 1400010), (690, 927253), (914, 700005), (1371, 466670), (2029, 315330), (2285, 280002), (2742, 233335), (4058, 157665), (4570, 140001), (6087, 105110), (6855, 93334), (10145, 63066), (10511, 60870), (12174, 52555), (13710, 46667), (20290, 31533), (21022, 30435)]