180460000

素因数分解:

$2^5\times 5^4\times 7^1\times {\mathrm{1289}}^1$

素因数の和:1326

約数の個数: 120

約数和(自身を含む): 507774960

約数和(自身を除く): 327314960

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 32, 35, 40, 50, 56, 70, 80, 100, 112, 125, 140, 160, 175, 200, 224, 250, 280, 350, 400, 500, 560, 625, 700, 800, 875, 1000, 1120, 1250, 1289, 1400, 1750, 2000, 2500, 2578, 2800, 3500, 4000, 4375, 5000, 5156, 5600, 6445, 7000, 8750, 9023, 10000, 10312, 12890, 14000, 17500, 18046, 20000, 20624, 25780, 28000, 32225, 35000, 36092, 41248, 45115, 51560, 64450, 70000, 72184, 90230, 103120, 128900, 140000, 144368, 161125, 180460, 206240, 225575, 257800, 288736, 322250, 360920, 451150, 515600, 644500, 721840, 805625, 902300, 1031200, 1127875, 1289000, 1443680, 1611250, 1804600, 2255750, 2578000, 3222500, 3609200, 4511500, 5156000, 5639375, 6445000, 7218400, 9023000, 11278750, 12890000, 18046000, 22557500, 25780000, 36092000, 45115000, 90230000, 180460000]

約数ペア:

[(1, 180460000), (2, 90230000), (4, 45115000), (5, 36092000), (7, 25780000), (8, 22557500), (10, 18046000), (14, 12890000), (16, 11278750), (20, 9023000), (25, 7218400), (28, 6445000), (32, 5639375), (35, 5156000), (40, 4511500), (50, 3609200), (56, 3222500), (70, 2578000), (80, 2255750), (100, 1804600), (112, 1611250), (125, 1443680), (140, 1289000), (160, 1127875), (175, 1031200), (200, 902300), (224, 805625), (250, 721840), (280, 644500), (350, 515600), (400, 451150), (500, 360920), (560, 322250), (625, 288736), (700, 257800), (800, 225575), (875, 206240), (1000, 180460), (1120, 161125), (1250, 144368), (1289, 140000), (1400, 128900), (1750, 103120), (2000, 90230), (2500, 72184), (2578, 70000), (2800, 64450), (3500, 51560), (4000, 45115), (4375, 41248), (5000, 36092), (5156, 35000), (5600, 32225), (6445, 28000), (7000, 25780), (8750, 20624), (9023, 20000), (10000, 18046), (10312, 17500), (12890, 14000)]