81812040

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{439}}^1\times {\mathrm{1553}}^1$

素因数の和:2006

約数の個数: 64

約数和(自身を含む): 246153600

約数和(自身を除く): 164341560

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 439, 878, 1317, 1553, 1756, 2195, 2634, 3106, 3512, 4390, 4659, 5268, 6212, 6585, 7765, 8780, 9318, 10536, 12424, 13170, 15530, 17560, 18636, 23295, 26340, 31060, 37272, 46590, 52680, 62120, 93180, 186360, 681767, 1363534, 2045301, 2727068, 3408835, 4090602, 5454136, 6817670, 8181204, 10226505, 13635340, 16362408, 20453010, 27270680, 40906020, 81812040]

約数ペア:

[(1, 81812040), (2, 40906020), (3, 27270680), (4, 20453010), (5, 16362408), (6, 13635340), (8, 10226505), (10, 8181204), (12, 6817670), (15, 5454136), (20, 4090602), (24, 3408835), (30, 2727068), (40, 2045301), (60, 1363534), (120, 681767), (439, 186360), (878, 93180), (1317, 62120), (1553, 52680), (1756, 46590), (2195, 37272), (2634, 31060), (3106, 26340), (3512, 23295), (4390, 18636), (4659, 17560), (5268, 15530), (6212, 13170), (6585, 12424), (7765, 10536), (8780, 9318)]