918017360

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{23857}}^1$

素因数の和:23920

約数の個数: 80

約数和(自身を含む): 2360796816

約数和(自身を除く): 1442779456

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 37, 40, 52, 65, 74, 80, 104, 130, 148, 185, 208, 260, 296, 370, 481, 520, 592, 740, 962, 1040, 1480, 1924, 2405, 2960, 3848, 4810, 7696, 9620, 19240, 23857, 38480, 47714, 95428, 119285, 190856, 238570, 310141, 381712, 477140, 620282, 882709, 954280, 1240564, 1550705, 1765418, 1908560, 2481128, 3101410, 3530836, 4413545, 4962256, 6202820, 7061672, 8827090, 11475217, 12405640, 14123344, 17654180, 22950434, 24811280, 35308360, 45900868, 57376085, 70616720, 91801736, 114752170, 183603472, 229504340, 459008680, 918017360]

約数ペア:

[(1, 918017360), (2, 459008680), (4, 229504340), (5, 183603472), (8, 114752170), (10, 91801736), (13, 70616720), (16, 57376085), (20, 45900868), (26, 35308360), (37, 24811280), (40, 22950434), (52, 17654180), (65, 14123344), (74, 12405640), (80, 11475217), (104, 8827090), (130, 7061672), (148, 6202820), (185, 4962256), (208, 4413545), (260, 3530836), (296, 3101410), (370, 2481128), (481, 1908560), (520, 1765418), (592, 1550705), (740, 1240564), (962, 954280), (1040, 882709), (1480, 620282), (1924, 477140), (2405, 381712), (2960, 310141), (3848, 238570), (4810, 190856), (7696, 119285), (9620, 95428), (19240, 47714), (23857, 38480)]