153838320

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{640993}}^1$

素因数の和:641009

約数の個数: 40

約数和(自身を含む): 476899536

約数和(自身を除く): 323061216

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 640993, 1281986, 1922979, 2563972, 3204965, 3845958, 5127944, 6409930, 7691916, 9614895, 10255888, 12819860, 15383832, 19229790, 25639720, 30767664, 38459580, 51279440, 76919160, 153838320]

約数ペア:

[(1, 153838320), (2, 76919160), (3, 51279440), (4, 38459580), (5, 30767664), (6, 25639720), (8, 19229790), (10, 15383832), (12, 12819860), (15, 10255888), (16, 9614895), (20, 7691916), (24, 6409930), (30, 5127944), (40, 3845958), (48, 3204965), (60, 2563972), (80, 1922979), (120, 1281986), (240, 640993)]