1689870

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{619}}^1$

素因数の和:649

約数の個数: 64

約数和(自身を含む): 4999680

約数和(自身を除く): 3309810

約数列:

[1, 2, 3, 5, 6, 7, 10, 13, 14, 15, 21, 26, 30, 35, 39, 42, 65, 70, 78, 91, 105, 130, 182, 195, 210, 273, 390, 455, 546, 619, 910, 1238, 1365, 1857, 2730, 3095, 3714, 4333, 6190, 8047, 8666, 9285, 12999, 16094, 18570, 21665, 24141, 25998, 40235, 43330, 48282, 56329, 64995, 80470, 112658, 120705, 129990, 168987, 241410, 281645, 337974, 563290, 844935, 1689870]

約数ペア:

[(1, 1689870), (2, 844935), (3, 563290), (5, 337974), (6, 281645), (7, 241410), (10, 168987), (13, 129990), (14, 120705), (15, 112658), (21, 80470), (26, 64995), (30, 56329), (35, 48282), (39, 43330), (42, 40235), (65, 25998), (70, 24141), (78, 21665), (91, 18570), (105, 16094), (130, 12999), (182, 9285), (195, 8666), (210, 8047), (273, 6190), (390, 4333), (455, 3714), (546, 3095), (619, 2730), (910, 1857), (1238, 1365)]