64960000

素因数分解:

$2^9\times 5^4\times 7^1\times {\mathrm{29}}^1$

素因数の和:74

約数の個数: 200

約数和(自身を含む): 191751120

約数和(自身を除く): 126791120

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 29, 32, 35, 40, 50, 56, 58, 64, 70, 80, 100, 112, 116, 125, 128, 140, 145, 160, 175, 200, 203, 224, 232, 250, 256, 280, 290, 320, 350, 400, 406, 448, 464, 500, 512, 560, 580, 625, 640, 700, 725, 800, 812, 875, 896, 928, 1000, 1015, 1120, 1160, 1250, 1280, 1400, 1450, 1600, 1624, 1750, 1792, 1856, 2000, 2030, 2240, 2320, 2500, 2560, 2800, 2900, 3200, 3248, 3500, 3584, 3625, 3712, 4000, 4060, 4375, 4480, 4640, 5000, 5075, 5600, 5800, 6400, 6496, 7000, 7250, 7424, 8000, 8120, 8750, 8960, 9280, 10000, 10150, 11200, 11600, 12800, 12992, 14000, 14500, 14848, 16000, 16240, 17500, 17920, 18125, 18560, 20000, 20300, 22400, 23200, 25375, 25984, 28000, 29000, 32000, 32480, 35000, 36250, 37120, 40000, 40600, 44800, 46400, 50750, 51968, 56000, 58000, 64000, 64960, 70000, 72500, 74240, 80000, 81200, 89600, 92800, 101500, 103936, 112000, 116000, 126875, 129920, 140000, 145000, 160000, 162400, 185600, 203000, 224000, 232000, 253750, 259840, 280000, 290000, 320000, 324800, 371200, 406000, 448000, 464000, 507500, 519680, 560000, 580000, 649600, 812000, 928000, 1015000, 1120000, 1160000, 1299200, 1624000, 1856000, 2030000, 2240000, 2320000, 2598400, 3248000, 4060000, 4640000, 6496000, 8120000, 9280000, 12992000, 16240000, 32480000, 64960000]

約数ペア:

[(1, 64960000), (2, 32480000), (4, 16240000), (5, 12992000), (7, 9280000), (8, 8120000), (10, 6496000), (14, 4640000), (16, 4060000), (20, 3248000), (25, 2598400), (28, 2320000), (29, 2240000), (32, 2030000), (35, 1856000), (40, 1624000), (50, 1299200), (56, 1160000), (58, 1120000), (64, 1015000), (70, 928000), (80, 812000), (100, 649600), (112, 580000), (116, 560000), (125, 519680), (128, 507500), (140, 464000), (145, 448000), (160, 406000), (175, 371200), (200, 324800), (203, 320000), (224, 290000), (232, 280000), (250, 259840), (256, 253750), (280, 232000), (290, 224000), (320, 203000), (350, 185600), (400, 162400), (406, 160000), (448, 145000), (464, 140000), (500, 129920), (512, 126875), (560, 116000), (580, 112000), (625, 103936), (640, 101500), (700, 92800), (725, 89600), (800, 81200), (812, 80000), (875, 74240), (896, 72500), (928, 70000), (1000, 64960), (1015, 64000), (1120, 58000), (1160, 56000), (1250, 51968), (1280, 50750), (1400, 46400), (1450, 44800), (1600, 40600), (1624, 40000), (1750, 37120), (1792, 36250), (1856, 35000), (2000, 32480), (2030, 32000), (2240, 29000), (2320, 28000), (2500, 25984), (2560, 25375), (2800, 23200), (2900, 22400), (3200, 20300), (3248, 20000), (3500, 18560), (3584, 18125), (3625, 17920), (3712, 17500), (4000, 16240), (4060, 16000), (4375, 14848), (4480, 14500), (4640, 14000), (5000, 12992), (5075, 12800), (5600, 11600), (5800, 11200), (6400, 10150), (6496, 10000), (7000, 9280), (7250, 8960), (7424, 8750), (8000, 8120)]