2786480000

素因数分解:

$2^7\times 5^4\times {\mathrm{61}}^1\times {\mathrm{571}}^1$

素因数の和:666

約数の個数: 160

約数和(自身を含む): 7062832920

約数和(自身を除く): 4276352920

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 61, 64, 80, 100, 122, 125, 128, 160, 200, 244, 250, 305, 320, 400, 488, 500, 571, 610, 625, 640, 800, 976, 1000, 1142, 1220, 1250, 1525, 1600, 1952, 2000, 2284, 2440, 2500, 2855, 3050, 3200, 3904, 4000, 4568, 4880, 5000, 5710, 6100, 7625, 7808, 8000, 9136, 9760, 10000, 11420, 12200, 14275, 15250, 16000, 18272, 19520, 20000, 22840, 24400, 28550, 30500, 34831, 36544, 38125, 39040, 40000, 45680, 48800, 57100, 61000, 69662, 71375, 73088, 76250, 80000, 91360, 97600, 114200, 122000, 139324, 142750, 152500, 174155, 182720, 195200, 228400, 244000, 278648, 285500, 305000, 348310, 356875, 365440, 456800, 488000, 557296, 571000, 610000, 696620, 713750, 870775, 913600, 976000, 1114592, 1142000, 1220000, 1393240, 1427500, 1741550, 1827200, 2229184, 2284000, 2440000, 2786480, 2855000, 3483100, 4353875, 4458368, 4568000, 4880000, 5572960, 5710000, 6966200, 8707750, 9136000, 11145920, 11420000, 13932400, 17415500, 21769375, 22291840, 22840000, 27864800, 34831000, 43538750, 45680000, 55729600, 69662000, 87077500, 111459200, 139324000, 174155000, 278648000, 348310000, 557296000, 696620000, 1393240000, 2786480000]

約数ペア:

[(1, 2786480000), (2, 1393240000), (4, 696620000), (5, 557296000), (8, 348310000), (10, 278648000), (16, 174155000), (20, 139324000), (25, 111459200), (32, 87077500), (40, 69662000), (50, 55729600), (61, 45680000), (64, 43538750), (80, 34831000), (100, 27864800), (122, 22840000), (125, 22291840), (128, 21769375), (160, 17415500), (200, 13932400), (244, 11420000), (250, 11145920), (305, 9136000), (320, 8707750), (400, 6966200), (488, 5710000), (500, 5572960), (571, 4880000), (610, 4568000), (625, 4458368), (640, 4353875), (800, 3483100), (976, 2855000), (1000, 2786480), (1142, 2440000), (1220, 2284000), (1250, 2229184), (1525, 1827200), (1600, 1741550), (1952, 1427500), (2000, 1393240), (2284, 1220000), (2440, 1142000), (2500, 1114592), (2855, 976000), (3050, 913600), (3200, 870775), (3904, 713750), (4000, 696620), (4568, 610000), (4880, 571000), (5000, 557296), (5710, 488000), (6100, 456800), (7625, 365440), (7808, 356875), (8000, 348310), (9136, 305000), (9760, 285500), (10000, 278648), (11420, 244000), (12200, 228400), (14275, 195200), (15250, 182720), (16000, 174155), (18272, 152500), (19520, 142750), (20000, 139324), (22840, 122000), (24400, 114200), (28550, 97600), (30500, 91360), (34831, 80000), (36544, 76250), (38125, 73088), (39040, 71375), (40000, 69662), (45680, 61000), (48800, 57100)]