131660240

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{131}}^1\times {\mathrm{739}}^1$

素因数の和:900

約数の個数: 80

約数和(自身を含む): 327032640

約数和(自身を除く): 195372400

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 131, 136, 170, 262, 272, 340, 524, 655, 680, 739, 1048, 1310, 1360, 1478, 2096, 2227, 2620, 2956, 3695, 4454, 5240, 5912, 7390, 8908, 10480, 11135, 11824, 12563, 14780, 17816, 22270, 25126, 29560, 35632, 44540, 50252, 59120, 62815, 89080, 96809, 100504, 125630, 178160, 193618, 201008, 251260, 387236, 484045, 502520, 774472, 968090, 1005040, 1548944, 1645753, 1936180, 3291506, 3872360, 6583012, 7744720, 8228765, 13166024, 16457530, 26332048, 32915060, 65830120, 131660240]

約数ペア:

[(1, 131660240), (2, 65830120), (4, 32915060), (5, 26332048), (8, 16457530), (10, 13166024), (16, 8228765), (17, 7744720), (20, 6583012), (34, 3872360), (40, 3291506), (68, 1936180), (80, 1645753), (85, 1548944), (131, 1005040), (136, 968090), (170, 774472), (262, 502520), (272, 484045), (340, 387236), (524, 251260), (655, 201008), (680, 193618), (739, 178160), (1048, 125630), (1310, 100504), (1360, 96809), (1478, 89080), (2096, 62815), (2227, 59120), (2620, 50252), (2956, 44540), (3695, 35632), (4454, 29560), (5240, 25126), (5912, 22270), (7390, 17816), (8908, 14780), (10480, 12563), (11135, 11824)]