691980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{607}}^1$

素因数の和:638

約数の個数: 48

約数和(自身を含む): 2042880

約数和(自身を除く): 1350900

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, 607, 1140, 1214, 1821, 2428, 3035, 3642, 6070, 7284, 9105, 11533, 12140, 18210, 23066, 34599, 36420, 46132, 57665, 69198, 115330, 138396, 172995, 230660, 345990, 691980]

約数ペア:

[(1, 691980), (2, 345990), (3, 230660), (4, 172995), (5, 138396), (6, 115330), (10, 69198), (12, 57665), (15, 46132), (19, 36420), (20, 34599), (30, 23066), (38, 18210), (57, 12140), (60, 11533), (76, 9105), (95, 7284), (114, 6070), (190, 3642), (228, 3035), (285, 2428), (380, 1821), (570, 1214), (607, 1140)]