68637405

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{283}}^1$

素因数の和:370

約数の個数: 64

約数和(自身を含む): 124323840

約数和(自身を除く): 55686435

約数列:

[1, 3, 5, 15, 19, 23, 37, 57, 69, 95, 111, 115, 185, 283, 285, 345, 437, 555, 703, 849, 851, 1311, 1415, 2109, 2185, 2553, 3515, 4245, 4255, 5377, 6509, 6555, 10471, 10545, 12765, 16131, 16169, 19527, 26885, 31413, 32545, 48507, 52355, 80655, 80845, 97635, 123671, 157065, 198949, 240833, 242535, 371013, 596847, 618355, 722499, 994745, 1204165, 1855065, 2984235, 3612495, 4575827, 13727481, 22879135, 68637405]

約数ペア:

[(1, 68637405), (3, 22879135), (5, 13727481), (15, 4575827), (19, 3612495), (23, 2984235), (37, 1855065), (57, 1204165), (69, 994745), (95, 722499), (111, 618355), (115, 596847), (185, 371013), (283, 242535), (285, 240833), (345, 198949), (437, 157065), (555, 123671), (703, 97635), (849, 80845), (851, 80655), (1311, 52355), (1415, 48507), (2109, 32545), (2185, 31413), (2553, 26885), (3515, 19527), (4245, 16169), (4255, 16131), (5377, 12765), (6509, 10545), (6555, 10471)]