18724560

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{1279}}^1$

素因数の和:1356

約数の個数: 80

約数和(自身を含む): 59043840

約数和(自身を除く): 40319280

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 61, 80, 120, 122, 183, 240, 244, 305, 366, 488, 610, 732, 915, 976, 1220, 1279, 1464, 1830, 2440, 2558, 2928, 3660, 3837, 4880, 5116, 6395, 7320, 7674, 10232, 12790, 14640, 15348, 19185, 20464, 25580, 30696, 38370, 51160, 61392, 76740, 78019, 102320, 153480, 156038, 234057, 306960, 312076, 390095, 468114, 624152, 780190, 936228, 1170285, 1248304, 1560380, 1872456, 2340570, 3120760, 3744912, 4681140, 6241520, 9362280, 18724560]

約数ペア:

[(1, 18724560), (2, 9362280), (3, 6241520), (4, 4681140), (5, 3744912), (6, 3120760), (8, 2340570), (10, 1872456), (12, 1560380), (15, 1248304), (16, 1170285), (20, 936228), (24, 780190), (30, 624152), (40, 468114), (48, 390095), (60, 312076), (61, 306960), (80, 234057), (120, 156038), (122, 153480), (183, 102320), (240, 78019), (244, 76740), (305, 61392), (366, 51160), (488, 38370), (610, 30696), (732, 25580), (915, 20464), (976, 19185), (1220, 15348), (1279, 14640), (1464, 12790), (1830, 10232), (2440, 7674), (2558, 7320), (2928, 6395), (3660, 5116), (3837, 4880)]