16861260

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{21617}}^1$

素因数の和:21642

約数の個数: 48

約数和(自身を含む): 50845536

約数和(自身を除く): 33984276

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, 21617, 43234, 64851, 86468, 108085, 129702, 216170, 259404, 281021, 324255, 432340, 562042, 648510, 843063, 1124084, 1297020, 1405105, 1686126, 2810210, 3372252, 4215315, 5620420, 8430630, 16861260]

約数ペア:

[(1, 16861260), (2, 8430630), (3, 5620420), (4, 4215315), (5, 3372252), (6, 2810210), (10, 1686126), (12, 1405105), (13, 1297020), (15, 1124084), (20, 843063), (26, 648510), (30, 562042), (39, 432340), (52, 324255), (60, 281021), (65, 259404), (78, 216170), (130, 129702), (156, 108085), (195, 86468), (260, 64851), (390, 43234), (780, 21617)]