249660

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1$

素因数の和:107

約数の個数: 72

約数和(自身を含む): 808080

約数和(自身を除く): 558420

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 30, 36, 38, 45, 57, 60, 73, 76, 90, 95, 114, 146, 171, 180, 190, 219, 228, 285, 292, 342, 365, 380, 438, 570, 657, 684, 730, 855, 876, 1095, 1140, 1314, 1387, 1460, 1710, 2190, 2628, 2774, 3285, 3420, 4161, 4380, 5548, 6570, 6935, 8322, 12483, 13140, 13870, 16644, 20805, 24966, 27740, 41610, 49932, 62415, 83220, 124830, 249660]

約数ペア:

[(1, 249660), (2, 124830), (3, 83220), (4, 62415), (5, 49932), (6, 41610), (9, 27740), (10, 24966), (12, 20805), (15, 16644), (18, 13870), (19, 13140), (20, 12483), (30, 8322), (36, 6935), (38, 6570), (45, 5548), (57, 4380), (60, 4161), (73, 3420), (76, 3285), (90, 2774), (95, 2628), (114, 2190), (146, 1710), (171, 1460), (180, 1387), (190, 1314), (219, 1140), (228, 1095), (285, 876), (292, 855), (342, 730), (365, 684), (380, 657), (438, 570)]