80507820

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{227}}^1\times {\mathrm{257}}^1$

素因数の和:519

約数の個数: 96

約数和(自身を含む): 237178368

約数和(自身を除く): 156670548

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 23, 30, 46, 60, 69, 92, 115, 138, 227, 230, 257, 276, 345, 454, 460, 514, 681, 690, 771, 908, 1028, 1135, 1285, 1362, 1380, 1542, 2270, 2570, 2724, 3084, 3405, 3855, 4540, 5140, 5221, 5911, 6810, 7710, 10442, 11822, 13620, 15420, 15663, 17733, 20884, 23644, 26105, 29555, 31326, 35466, 52210, 58339, 59110, 62652, 70932, 78315, 88665, 104420, 116678, 118220, 156630, 175017, 177330, 233356, 291695, 313260, 350034, 354660, 583390, 700068, 875085, 1166780, 1341797, 1750170, 2683594, 3500340, 4025391, 5367188, 6708985, 8050782, 13417970, 16101564, 20126955, 26835940, 40253910, 80507820]

約数ペア:

[(1, 80507820), (2, 40253910), (3, 26835940), (4, 20126955), (5, 16101564), (6, 13417970), (10, 8050782), (12, 6708985), (15, 5367188), (20, 4025391), (23, 3500340), (30, 2683594), (46, 1750170), (60, 1341797), (69, 1166780), (92, 875085), (115, 700068), (138, 583390), (227, 354660), (230, 350034), (257, 313260), (276, 291695), (345, 233356), (454, 177330), (460, 175017), (514, 156630), (681, 118220), (690, 116678), (771, 104420), (908, 88665), (1028, 78315), (1135, 70932), (1285, 62652), (1362, 59110), (1380, 58339), (1542, 52210), (2270, 35466), (2570, 31326), (2724, 29555), (3084, 26105), (3405, 23644), (3855, 20884), (4540, 17733), (5140, 15663), (5221, 15420), (5911, 13620), (6810, 11822), (7710, 10442)]