245979960

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{139}}^1\times {\mathrm{14747}}^1$

素因数の和:14900

約数の個数: 64

約数和(自身を含む): 743299200

約数和(自身を除く): 497319240

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 139, 278, 417, 556, 695, 834, 1112, 1390, 1668, 2085, 2780, 3336, 4170, 5560, 8340, 14747, 16680, 29494, 44241, 58988, 73735, 88482, 117976, 147470, 176964, 221205, 294940, 353928, 442410, 589880, 884820, 1769640, 2049833, 4099666, 6149499, 8199332, 10249165, 12298998, 16398664, 20498330, 24597996, 30747495, 40996660, 49195992, 61494990, 81993320, 122989980, 245979960]

約数ペア:

[(1, 245979960), (2, 122989980), (3, 81993320), (4, 61494990), (5, 49195992), (6, 40996660), (8, 30747495), (10, 24597996), (12, 20498330), (15, 16398664), (20, 12298998), (24, 10249165), (30, 8199332), (40, 6149499), (60, 4099666), (120, 2049833), (139, 1769640), (278, 884820), (417, 589880), (556, 442410), (695, 353928), (834, 294940), (1112, 221205), (1390, 176964), (1668, 147470), (2085, 117976), (2780, 88482), (3336, 73735), (4170, 58988), (5560, 44241), (8340, 29494), (14747, 16680)]