12541520

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{223}}^1$

素因数の和:292

約数の個数: 80

約数和(自身を含む): 31664640

約数和(自身を除く): 19123120

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 37, 38, 40, 74, 76, 80, 95, 148, 152, 185, 190, 223, 296, 304, 370, 380, 446, 592, 703, 740, 760, 892, 1115, 1406, 1480, 1520, 1784, 2230, 2812, 2960, 3515, 3568, 4237, 4460, 5624, 7030, 8251, 8474, 8920, 11248, 14060, 16502, 16948, 17840, 21185, 28120, 33004, 33896, 41255, 42370, 56240, 66008, 67792, 82510, 84740, 132016, 156769, 165020, 169480, 313538, 330040, 338960, 627076, 660080, 783845, 1254152, 1567690, 2508304, 3135380, 6270760, 12541520]

約数ペア:

[(1, 12541520), (2, 6270760), (4, 3135380), (5, 2508304), (8, 1567690), (10, 1254152), (16, 783845), (19, 660080), (20, 627076), (37, 338960), (38, 330040), (40, 313538), (74, 169480), (76, 165020), (80, 156769), (95, 132016), (148, 84740), (152, 82510), (185, 67792), (190, 66008), (223, 56240), (296, 42370), (304, 41255), (370, 33896), (380, 33004), (446, 28120), (592, 21185), (703, 17840), (740, 16948), (760, 16502), (892, 14060), (1115, 11248), (1406, 8920), (1480, 8474), (1520, 8251), (1784, 7030), (2230, 5624), (2812, 4460), (2960, 4237), (3515, 3568)]