1779180

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{2281}}^1$

素因数の和:2306

約数の個数: 48

約数和(自身を含む): 5367264

約数和(自身を除く): 3588084

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 2281, 4562, 6843, 9124, 11405, 13686, 22810, 27372, 29653, 34215, 45620, 59306, 68430, 88959, 118612, 136860, 148265, 177918, 296530, 355836, 444795, 593060, 889590, 1779180]

約数ペア:

[(1, 1779180), (2, 889590), (3, 593060), (4, 444795), (5, 355836), (6, 296530), (10, 177918), (12, 148265), (13, 136860), (15, 118612), (20, 88959), (26, 68430), (30, 59306), (39, 45620), (52, 34215), (60, 29653), (65, 27372), (78, 22810), (130, 13686), (156, 11405), (195, 9124), (260, 6843), (390, 4562), (780, 2281)]