81276325280

素因数分解:

$2^5\times 5^1\times {\mathrm{37}}^2\times {\mathrm{371057}}^1$

素因数の和:371146

約数の個数: 72

約数和(自身を含む): 197345713068

約数和(自身を除く): 116069387788

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 37, 40, 74, 80, 148, 160, 185, 296, 370, 592, 740, 1184, 1369, 1480, 2738, 2960, 5476, 5920, 6845, 10952, 13690, 21904, 27380, 43808, 54760, 109520, 219040, 371057, 742114, 1484228, 1855285, 2968456, 3710570, 5936912, 7421140, 11873824, 13729109, 14842280, 27458218, 29684560, 54916436, 59369120, 68645545, 109832872, 137291090, 219665744, 274582180, 439331488, 507977033, 549164360, 1015954066, 1098328720, 2031908132, 2196657440, 2539885165, 4063816264, 5079770330, 8127632528, 10159540660, 16255265056, 20319081320, 40638162640, 81276325280]

約数ペア:

[(1, 81276325280), (2, 40638162640), (4, 20319081320), (5, 16255265056), (8, 10159540660), (10, 8127632528), (16, 5079770330), (20, 4063816264), (32, 2539885165), (37, 2196657440), (40, 2031908132), (74, 1098328720), (80, 1015954066), (148, 549164360), (160, 507977033), (185, 439331488), (296, 274582180), (370, 219665744), (592, 137291090), (740, 109832872), (1184, 68645545), (1369, 59369120), (1480, 54916436), (2738, 29684560), (2960, 27458218), (5476, 14842280), (5920, 13729109), (6845, 11873824), (10952, 7421140), (13690, 5936912), (21904, 3710570), (27380, 2968456), (43808, 1855285), (54760, 1484228), (109520, 742114), (219040, 371057)]