51285000

素因数分解:

$2^3\times 3^1\times 5^4\times {\mathrm{13}}^1\times {\mathrm{263}}^1$

素因数の和:305

約数の個数: 160

約数和(自身を含む): 173194560

約数和(自身を除く): 121909560

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 25, 26, 30, 39, 40, 50, 52, 60, 65, 75, 78, 100, 104, 120, 125, 130, 150, 156, 195, 200, 250, 260, 263, 300, 312, 325, 375, 390, 500, 520, 526, 600, 625, 650, 750, 780, 789, 975, 1000, 1052, 1250, 1300, 1315, 1500, 1560, 1578, 1625, 1875, 1950, 2104, 2500, 2600, 2630, 3000, 3156, 3250, 3419, 3750, 3900, 3945, 4875, 5000, 5260, 6312, 6500, 6575, 6838, 7500, 7800, 7890, 8125, 9750, 10257, 10520, 13000, 13150, 13676, 15000, 15780, 16250, 17095, 19500, 19725, 20514, 24375, 26300, 27352, 31560, 32500, 32875, 34190, 39000, 39450, 41028, 48750, 51285, 52600, 65000, 65750, 68380, 78900, 82056, 85475, 97500, 98625, 102570, 131500, 136760, 157800, 164375, 170950, 195000, 197250, 205140, 256425, 263000, 328750, 341900, 394500, 410280, 427375, 493125, 512850, 657500, 683800, 789000, 854750, 986250, 1025700, 1282125, 1315000, 1709500, 1972500, 2051400, 2136875, 2564250, 3419000, 3945000, 4273750, 5128500, 6410625, 8547500, 10257000, 12821250, 17095000, 25642500, 51285000]

約数ペア:

[(1, 51285000), (2, 25642500), (3, 17095000), (4, 12821250), (5, 10257000), (6, 8547500), (8, 6410625), (10, 5128500), (12, 4273750), (13, 3945000), (15, 3419000), (20, 2564250), (24, 2136875), (25, 2051400), (26, 1972500), (30, 1709500), (39, 1315000), (40, 1282125), (50, 1025700), (52, 986250), (60, 854750), (65, 789000), (75, 683800), (78, 657500), (100, 512850), (104, 493125), (120, 427375), (125, 410280), (130, 394500), (150, 341900), (156, 328750), (195, 263000), (200, 256425), (250, 205140), (260, 197250), (263, 195000), (300, 170950), (312, 164375), (325, 157800), (375, 136760), (390, 131500), (500, 102570), (520, 98625), (526, 97500), (600, 85475), (625, 82056), (650, 78900), (750, 68380), (780, 65750), (789, 65000), (975, 52600), (1000, 51285), (1052, 48750), (1250, 41028), (1300, 39450), (1315, 39000), (1500, 34190), (1560, 32875), (1578, 32500), (1625, 31560), (1875, 27352), (1950, 26300), (2104, 24375), (2500, 20514), (2600, 19725), (2630, 19500), (3000, 17095), (3156, 16250), (3250, 15780), (3419, 15000), (3750, 13676), (3900, 13150), (3945, 13000), (4875, 10520), (5000, 10257), (5260, 9750), (6312, 8125), (6500, 7890), (6575, 7800), (6838, 7500)]