72081080

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{1667}}^1$

素因数の和:1748

約数の個数: 64

約数和(自身を含む): 172938240

約数和(自身を除く): 100857160

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 47, 92, 94, 115, 184, 188, 230, 235, 376, 460, 470, 920, 940, 1081, 1667, 1880, 2162, 3334, 4324, 5405, 6668, 8335, 8648, 10810, 13336, 16670, 21620, 33340, 38341, 43240, 66680, 76682, 78349, 153364, 156698, 191705, 306728, 313396, 383410, 391745, 626792, 766820, 783490, 1533640, 1566980, 1802027, 3133960, 3604054, 7208108, 9010135, 14416216, 18020270, 36040540, 72081080]

約数ペア:

[(1, 72081080), (2, 36040540), (4, 18020270), (5, 14416216), (8, 9010135), (10, 7208108), (20, 3604054), (23, 3133960), (40, 1802027), (46, 1566980), (47, 1533640), (92, 783490), (94, 766820), (115, 626792), (184, 391745), (188, 383410), (230, 313396), (235, 306728), (376, 191705), (460, 156698), (470, 153364), (920, 78349), (940, 76682), (1081, 66680), (1667, 43240), (1880, 38341), (2162, 33340), (3334, 21620), (4324, 16670), (5405, 13336), (6668, 10810), (8335, 8648)]