2886780

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{3701}}^1$

素因数の和:3726

約数の個数: 48

約数和(自身を含む): 8707104

約数和(自身を除く): 5820324

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, 3701, 7402, 11103, 14804, 18505, 22206, 37010, 44412, 48113, 55515, 74020, 96226, 111030, 144339, 192452, 222060, 240565, 288678, 481130, 577356, 721695, 962260, 1443390, 2886780]

約数ペア:

[(1, 2886780), (2, 1443390), (3, 962260), (4, 721695), (5, 577356), (6, 481130), (10, 288678), (12, 240565), (13, 222060), (15, 192452), (20, 144339), (26, 111030), (30, 96226), (39, 74020), (52, 55515), (60, 48113), (65, 44412), (78, 37010), (130, 22206), (156, 18505), (195, 14804), (260, 11103), (390, 7402), (780, 3701)]