85880505

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^2\times {\mathrm{79}}^1\times {\mathrm{137}}^1$

素因数の和:270

約数の個数: 48

約数和(自身を含む): 146522880

約数和(自身を除く): 60642375

約数列:

[1, 3, 5, 15, 23, 69, 79, 115, 137, 237, 345, 395, 411, 529, 685, 1185, 1587, 1817, 2055, 2645, 3151, 5451, 7935, 9085, 9453, 10823, 15755, 27255, 32469, 41791, 47265, 54115, 72473, 125373, 162345, 208955, 217419, 248929, 362365, 626865, 746787, 1087095, 1244645, 3733935, 5725367, 17176101, 28626835, 85880505]

約数ペア:

[(1, 85880505), (3, 28626835), (5, 17176101), (15, 5725367), (23, 3733935), (69, 1244645), (79, 1087095), (115, 746787), (137, 626865), (237, 362365), (345, 248929), (395, 217419), (411, 208955), (529, 162345), (685, 125373), (1185, 72473), (1587, 54115), (1817, 47265), (2055, 41791), (2645, 32469), (3151, 27255), (5451, 15755), (7935, 10823), (9085, 9453)]