16783260

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{21517}}^1$

素因数の和:21542

約数の個数: 48

約数和(自身を含む): 50610336

約数和(自身を除く): 33827076

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, 21517, 43034, 64551, 86068, 107585, 129102, 215170, 258204, 279721, 322755, 430340, 559442, 645510, 839163, 1118884, 1291020, 1398605, 1678326, 2797210, 3356652, 4195815, 5594420, 8391630, 16783260]

約数ペア:

[(1, 16783260), (2, 8391630), (3, 5594420), (4, 4195815), (5, 3356652), (6, 2797210), (10, 1678326), (12, 1398605), (13, 1291020), (15, 1118884), (20, 839163), (26, 645510), (30, 559442), (39, 430340), (52, 322755), (60, 279721), (65, 258204), (78, 215170), (130, 129102), (156, 107585), (195, 86068), (260, 64551), (390, 43034), (780, 21517)]