1662180

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{2131}}^1$

素因数の和:2156

約数の個数: 48

約数和(自身を含む): 5014464

約数和(自身を除く): 3352284

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, 2131, 4262, 6393, 8524, 10655, 12786, 21310, 25572, 27703, 31965, 42620, 55406, 63930, 83109, 110812, 127860, 138515, 166218, 277030, 332436, 415545, 554060, 831090, 1662180]

約数ペア:

[(1, 1662180), (2, 831090), (3, 554060), (4, 415545), (5, 332436), (6, 277030), (10, 166218), (12, 138515), (13, 127860), (15, 110812), (20, 83109), (26, 63930), (30, 55406), (39, 42620), (52, 31965), (60, 27703), (65, 25572), (78, 21310), (130, 12786), (156, 10655), (195, 8524), (260, 6393), (390, 4262), (780, 2131)]