208558320

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{868993}}^1$

素因数の和:869009

約数の個数: 40

約数和(自身を含む): 646531536

約数和(自身を除く): 437973216

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 868993, 1737986, 2606979, 3475972, 4344965, 5213958, 6951944, 8689930, 10427916, 13034895, 13903888, 17379860, 20855832, 26069790, 34759720, 41711664, 52139580, 69519440, 104279160, 208558320]

約数ペア:

[(1, 208558320), (2, 104279160), (3, 69519440), (4, 52139580), (5, 41711664), (6, 34759720), (8, 26069790), (10, 20855832), (12, 17379860), (15, 13903888), (16, 13034895), (20, 10427916), (24, 8689930), (30, 6951944), (40, 5213958), (48, 4344965), (60, 3475972), (80, 2606979), (120, 1737986), (240, 868993)]