247676640

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{515993}}^1$

素因数の和:516011

約数の個数: 48

約数和(自身を含む): 780182928

約数和(自身を除く): 532506288

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 80, 96, 120, 160, 240, 480, 515993, 1031986, 1547979, 2063972, 2579965, 3095958, 4127944, 5159930, 6191916, 7739895, 8255888, 10319860, 12383832, 15479790, 16511776, 20639720, 24767664, 30959580, 41279440, 49535328, 61919160, 82558880, 123838320, 247676640]

約数ペア:

[(1, 247676640), (2, 123838320), (3, 82558880), (4, 61919160), (5, 49535328), (6, 41279440), (8, 30959580), (10, 24767664), (12, 20639720), (15, 16511776), (16, 15479790), (20, 12383832), (24, 10319860), (30, 8255888), (32, 7739895), (40, 6191916), (48, 5159930), (60, 4127944), (80, 3095958), (96, 2579965), (120, 2063972), (160, 1547979), (240, 1031986), (480, 515993)]