87879440

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{2699}}^1$

素因数の和:2760

約数の個数: 80

約数和(自身を含む): 229003200

約数和(自身を除く): 141123760

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 37, 40, 44, 55, 74, 80, 88, 110, 148, 176, 185, 220, 296, 370, 407, 440, 592, 740, 814, 880, 1480, 1628, 2035, 2699, 2960, 3256, 4070, 5398, 6512, 8140, 10796, 13495, 16280, 21592, 26990, 29689, 32560, 43184, 53980, 59378, 99863, 107960, 118756, 148445, 199726, 215920, 237512, 296890, 399452, 475024, 499315, 593780, 798904, 998630, 1098493, 1187560, 1597808, 1997260, 2196986, 2375120, 3994520, 4393972, 5492465, 7989040, 8787944, 10984930, 17575888, 21969860, 43939720, 87879440]

約数ペア:

[(1, 87879440), (2, 43939720), (4, 21969860), (5, 17575888), (8, 10984930), (10, 8787944), (11, 7989040), (16, 5492465), (20, 4393972), (22, 3994520), (37, 2375120), (40, 2196986), (44, 1997260), (55, 1597808), (74, 1187560), (80, 1098493), (88, 998630), (110, 798904), (148, 593780), (176, 499315), (185, 475024), (220, 399452), (296, 296890), (370, 237512), (407, 215920), (440, 199726), (592, 148445), (740, 118756), (814, 107960), (880, 99863), (1480, 59378), (1628, 53980), (2035, 43184), (2699, 32560), (2960, 29689), (3256, 26990), (4070, 21592), (5398, 16280), (6512, 13495), (8140, 10796)]