208729260

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{823}}^1\times {\mathrm{1409}}^1$

素因数の和:2247

約数の個数: 72

約数和(自身を含む): 634364640

約数和(自身を除く): 425635380

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 823, 1409, 1646, 2469, 2818, 3292, 4115, 4227, 4938, 5636, 7045, 7407, 8230, 8454, 9876, 12345, 12681, 14090, 14814, 16460, 16908, 21135, 24690, 25362, 28180, 29628, 37035, 42270, 49380, 50724, 63405, 74070, 84540, 126810, 148140, 253620, 1159607, 2319214, 3478821, 4638428, 5798035, 6957642, 10436463, 11596070, 13915284, 17394105, 20872926, 23192140, 34788210, 41745852, 52182315, 69576420, 104364630, 208729260]

約数ペア:

[(1, 208729260), (2, 104364630), (3, 69576420), (4, 52182315), (5, 41745852), (6, 34788210), (9, 23192140), (10, 20872926), (12, 17394105), (15, 13915284), (18, 11596070), (20, 10436463), (30, 6957642), (36, 5798035), (45, 4638428), (60, 3478821), (90, 2319214), (180, 1159607), (823, 253620), (1409, 148140), (1646, 126810), (2469, 84540), (2818, 74070), (3292, 63405), (4115, 50724), (4227, 49380), (4938, 42270), (5636, 37035), (7045, 29628), (7407, 28180), (8230, 25362), (8454, 24690), (9876, 21135), (12345, 16908), (12681, 16460), (14090, 14814)]