256880010

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{67}}^1\times {\mathrm{227}}^1\times {\mathrm{563}}^1$

素因数の和:867

約数の個数: 64

約数和(自身を含む): 629586432

約数和(自身を除く): 372706422

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 67, 134, 201, 227, 335, 402, 454, 563, 670, 681, 1005, 1126, 1135, 1362, 1689, 2010, 2270, 2815, 3378, 3405, 5630, 6810, 8445, 15209, 16890, 30418, 37721, 45627, 75442, 76045, 91254, 113163, 127801, 152090, 188605, 226326, 228135, 255602, 377210, 383403, 456270, 565815, 639005, 766806, 1131630, 1278010, 1917015, 3834030, 8562667, 17125334, 25688001, 42813335, 51376002, 85626670, 128440005, 256880010]

約数ペア:

[(1, 256880010), (2, 128440005), (3, 85626670), (5, 51376002), (6, 42813335), (10, 25688001), (15, 17125334), (30, 8562667), (67, 3834030), (134, 1917015), (201, 1278010), (227, 1131630), (335, 766806), (402, 639005), (454, 565815), (563, 456270), (670, 383403), (681, 377210), (1005, 255602), (1126, 228135), (1135, 226326), (1362, 188605), (1689, 152090), (2010, 127801), (2270, 113163), (2815, 91254), (3378, 76045), (3405, 75442), (5630, 45627), (6810, 37721), (8445, 30418), (15209, 16890)]