1258140

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1613}}^1$

素因数の和:1638

約数の個数: 48

約数和(自身を含む): 3796128

約数和(自身を除く): 2537988

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 1613, 3226, 4839, 6452, 8065, 9678, 16130, 19356, 20969, 24195, 32260, 41938, 48390, 62907, 83876, 96780, 104845, 125814, 209690, 251628, 314535, 419380, 629070, 1258140]

約数ペア:

[(1, 1258140), (2, 629070), (3, 419380), (4, 314535), (5, 251628), (6, 209690), (10, 125814), (12, 104845), (13, 96780), (15, 83876), (20, 62907), (26, 48390), (30, 41938), (39, 32260), (52, 24195), (60, 20969), (65, 19356), (78, 16130), (130, 9678), (156, 8065), (195, 6452), (260, 4839), (390, 3226), (780, 1613)]