64013580

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{349}}^1\times {\mathrm{1019}}^1$

素因数の和:1383

約数の個数: 72

約数和(自身を含む): 194922000

約数和(自身を除く): 130908420

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 349, 698, 1019, 1047, 1396, 1745, 2038, 2094, 3057, 3141, 3490, 4076, 4188, 5095, 5235, 6114, 6282, 6980, 9171, 10190, 10470, 12228, 12564, 15285, 15705, 18342, 20380, 20940, 30570, 31410, 36684, 45855, 61140, 62820, 91710, 183420, 355631, 711262, 1066893, 1422524, 1778155, 2133786, 3200679, 3556310, 4267572, 5334465, 6401358, 7112620, 10668930, 12802716, 16003395, 21337860, 32006790, 64013580]

約数ペア:

[(1, 64013580), (2, 32006790), (3, 21337860), (4, 16003395), (5, 12802716), (6, 10668930), (9, 7112620), (10, 6401358), (12, 5334465), (15, 4267572), (18, 3556310), (20, 3200679), (30, 2133786), (36, 1778155), (45, 1422524), (60, 1066893), (90, 711262), (180, 355631), (349, 183420), (698, 91710), (1019, 62820), (1047, 61140), (1396, 45855), (1745, 36684), (2038, 31410), (2094, 30570), (3057, 20940), (3141, 20380), (3490, 18342), (4076, 15705), (4188, 15285), (5095, 12564), (5235, 12228), (6114, 10470), (6282, 10190), (6980, 9171)]