31034120

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{1613}}^1$

素因数の和:1674

約数の個数: 64

約数和(自身を含む): 77278320

約数和(自身を除く): 46244200

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 37, 40, 52, 65, 74, 104, 130, 148, 185, 260, 296, 370, 481, 520, 740, 962, 1480, 1613, 1924, 2405, 3226, 3848, 4810, 6452, 8065, 9620, 12904, 16130, 19240, 20969, 32260, 41938, 59681, 64520, 83876, 104845, 119362, 167752, 209690, 238724, 298405, 419380, 477448, 596810, 775853, 838760, 1193620, 1551706, 2387240, 3103412, 3879265, 6206824, 7758530, 15517060, 31034120]

約数ペア:

[(1, 31034120), (2, 15517060), (4, 7758530), (5, 6206824), (8, 3879265), (10, 3103412), (13, 2387240), (20, 1551706), (26, 1193620), (37, 838760), (40, 775853), (52, 596810), (65, 477448), (74, 419380), (104, 298405), (130, 238724), (148, 209690), (185, 167752), (260, 119362), (296, 104845), (370, 83876), (481, 64520), (520, 59681), (740, 41938), (962, 32260), (1480, 20969), (1613, 19240), (1924, 16130), (2405, 12904), (3226, 9620), (3848, 8065), (4810, 6452)]