80385720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{181}}^1\times {\mathrm{3701}}^1$

素因数の和:3896

約数の個数: 64

約数和(自身を含む): 242555040

約数和(自身を除く): 162169320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 181, 362, 543, 724, 905, 1086, 1448, 1810, 2172, 2715, 3620, 3701, 4344, 5430, 7240, 7402, 10860, 11103, 14804, 18505, 21720, 22206, 29608, 37010, 44412, 55515, 74020, 88824, 111030, 148040, 222060, 444120, 669881, 1339762, 2009643, 2679524, 3349405, 4019286, 5359048, 6698810, 8038572, 10048215, 13397620, 16077144, 20096430, 26795240, 40192860, 80385720]

約数ペア:

[(1, 80385720), (2, 40192860), (3, 26795240), (4, 20096430), (5, 16077144), (6, 13397620), (8, 10048215), (10, 8038572), (12, 6698810), (15, 5359048), (20, 4019286), (24, 3349405), (30, 2679524), (40, 2009643), (60, 1339762), (120, 669881), (181, 444120), (362, 222060), (543, 148040), (724, 111030), (905, 88824), (1086, 74020), (1448, 55515), (1810, 44412), (2172, 37010), (2715, 29608), (3620, 22206), (3701, 21720), (4344, 18505), (5430, 14804), (7240, 11103), (7402, 10860)]