28854480

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{109}}^1\times {\mathrm{1103}}^1$

素因数の和:1228

約数の個数: 80

約数和(自身を含む): 90351360

約数和(自身を除く): 61496880

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 109, 120, 218, 240, 327, 436, 545, 654, 872, 1090, 1103, 1308, 1635, 1744, 2180, 2206, 2616, 3270, 3309, 4360, 4412, 5232, 5515, 6540, 6618, 8720, 8824, 11030, 13080, 13236, 16545, 17648, 22060, 26160, 26472, 33090, 44120, 52944, 66180, 88240, 120227, 132360, 240454, 264720, 360681, 480908, 601135, 721362, 961816, 1202270, 1442724, 1803405, 1923632, 2404540, 2885448, 3606810, 4809080, 5770896, 7213620, 9618160, 14427240, 28854480]

約数ペア:

[(1, 28854480), (2, 14427240), (3, 9618160), (4, 7213620), (5, 5770896), (6, 4809080), (8, 3606810), (10, 2885448), (12, 2404540), (15, 1923632), (16, 1803405), (20, 1442724), (24, 1202270), (30, 961816), (40, 721362), (48, 601135), (60, 480908), (80, 360681), (109, 264720), (120, 240454), (218, 132360), (240, 120227), (327, 88240), (436, 66180), (545, 52944), (654, 44120), (872, 33090), (1090, 26472), (1103, 26160), (1308, 22060), (1635, 17648), (1744, 16545), (2180, 13236), (2206, 13080), (2616, 11030), (3270, 8824), (3309, 8720), (4360, 6618), (4412, 6540), (5232, 5515)]