1491780

素因数分解:

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

素因数の和:105

約数の個数: 72

約数和(自身を含む): 4459392

約数和(自身を除く): 2967612

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 23, 30, 46, 47, 60, 69, 92, 94, 115, 138, 141, 188, 230, 235, 276, 282, 345, 460, 470, 529, 564, 690, 705, 940, 1058, 1081, 1380, 1410, 1587, 2116, 2162, 2645, 2820, 3174, 3243, 4324, 5290, 5405, 6348, 6486, 7935, 10580, 10810, 12972, 15870, 16215, 21620, 24863, 31740, 32430, 49726, 64860, 74589, 99452, 124315, 149178, 248630, 298356, 372945, 497260, 745890, 1491780]

約数ペア:

[(1, 1491780), (2, 745890), (3, 497260), (4, 372945), (5, 298356), (6, 248630), (10, 149178), (12, 124315), (15, 99452), (20, 74589), (23, 64860), (30, 49726), (46, 32430), (47, 31740), (60, 24863), (69, 21620), (92, 16215), (94, 15870), (115, 12972), (138, 10810), (141, 10580), (188, 7935), (230, 6486), (235, 6348), (276, 5405), (282, 5290), (345, 4324), (460, 3243), (470, 3174), (529, 2820), (564, 2645), (690, 2162), (705, 2116), (940, 1587), (1058, 1410), (1081, 1380)]