8671980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{7607}}^1$

素因数の和:7638

約数の個数: 48

約数和(自身を含む): 25562880

約数和(自身を除く): 16890900

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 19, 20, 30, 38, 57, 60, 76, 95, 114, 190, 228, 285, 380, 570, 1140, 7607, 15214, 22821, 30428, 38035, 45642, 76070, 91284, 114105, 144533, 152140, 228210, 289066, 433599, 456420, 578132, 722665, 867198, 1445330, 1734396, 2167995, 2890660, 4335990, 8671980]

約数ペア:

[(1, 8671980), (2, 4335990), (3, 2890660), (4, 2167995), (5, 1734396), (6, 1445330), (10, 867198), (12, 722665), (15, 578132), (19, 456420), (20, 433599), (30, 289066), (38, 228210), (57, 152140), (60, 144533), (76, 114105), (95, 91284), (114, 76070), (190, 45642), (228, 38035), (285, 30428), (380, 22821), (570, 15214), (1140, 7607)]