2123072080

素因数分解:

$2^4\times 5^1\times {\mathrm{151}}^1\times {\mathrm{181}}^1\times {\mathrm{971}}^1$

素因数の和:1316

約数の個数: 80

約数和(自身を含む): 5001429888

約数和(自身を除く): 2878357808

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 151, 181, 302, 362, 604, 724, 755, 905, 971, 1208, 1448, 1510, 1810, 1942, 2416, 2896, 3020, 3620, 3884, 4855, 6040, 7240, 7768, 9710, 12080, 14480, 15536, 19420, 27331, 38840, 54662, 77680, 109324, 136655, 146621, 175751, 218648, 273310, 293242, 351502, 437296, 546620, 586484, 703004, 733105, 878755, 1093240, 1172968, 1406008, 1466210, 1757510, 2186480, 2345936, 2812016, 2932420, 3515020, 5864840, 7030040, 11729680, 14060080, 26538401, 53076802, 106153604, 132692005, 212307208, 265384010, 424614416, 530768020, 1061536040, 2123072080]

約数ペア:

[(1, 2123072080), (2, 1061536040), (4, 530768020), (5, 424614416), (8, 265384010), (10, 212307208), (16, 132692005), (20, 106153604), (40, 53076802), (80, 26538401), (151, 14060080), (181, 11729680), (302, 7030040), (362, 5864840), (604, 3515020), (724, 2932420), (755, 2812016), (905, 2345936), (971, 2186480), (1208, 1757510), (1448, 1466210), (1510, 1406008), (1810, 1172968), (1942, 1093240), (2416, 878755), (2896, 733105), (3020, 703004), (3620, 586484), (3884, 546620), (4855, 437296), (6040, 351502), (7240, 293242), (7768, 273310), (9710, 218648), (12080, 175751), (14480, 146621), (15536, 136655), (19420, 109324), (27331, 77680), (38840, 54662)]