81370800

素因数分解:

$2^4\times 3^2\times 5^2\times 7^1\times {\mathrm{3229}}^1$

素因数の和:3260

約数の個数: 180

約数和(自身を含む): 322819120

約数和(自身を除く): 241448320

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 25, 28, 30, 35, 36, 40, 42, 45, 48, 50, 56, 60, 63, 70, 72, 75, 80, 84, 90, 100, 105, 112, 120, 126, 140, 144, 150, 168, 175, 180, 200, 210, 225, 240, 252, 280, 300, 315, 336, 350, 360, 400, 420, 450, 504, 525, 560, 600, 630, 700, 720, 840, 900, 1008, 1050, 1200, 1260, 1400, 1575, 1680, 1800, 2100, 2520, 2800, 3150, 3229, 3600, 4200, 5040, 6300, 6458, 8400, 9687, 12600, 12916, 16145, 19374, 22603, 25200, 25832, 29061, 32290, 38748, 45206, 48435, 51664, 58122, 64580, 67809, 77496, 80725, 90412, 96870, 113015, 116244, 129160, 135618, 145305, 154992, 161450, 180824, 193740, 203427, 226030, 232488, 242175, 258320, 271236, 290610, 322900, 339045, 361648, 387480, 406854, 452060, 464976, 484350, 542472, 565075, 581220, 645800, 678090, 726525, 774960, 813708, 904120, 968700, 1017135, 1084944, 1130150, 1162440, 1291600, 1356180, 1453050, 1627416, 1695225, 1808240, 1937400, 2034270, 2260300, 2324880, 2712360, 2906100, 3254832, 3390450, 3874800, 4068540, 4520600, 5085675, 5424720, 5812200, 6780900, 8137080, 9041200, 10171350, 11624400, 13561800, 16274160, 20342700, 27123600, 40685400, 81370800]

約数ペア:

[(1, 81370800), (2, 40685400), (3, 27123600), (4, 20342700), (5, 16274160), (6, 13561800), (7, 11624400), (8, 10171350), (9, 9041200), (10, 8137080), (12, 6780900), (14, 5812200), (15, 5424720), (16, 5085675), (18, 4520600), (20, 4068540), (21, 3874800), (24, 3390450), (25, 3254832), (28, 2906100), (30, 2712360), (35, 2324880), (36, 2260300), (40, 2034270), (42, 1937400), (45, 1808240), (48, 1695225), (50, 1627416), (56, 1453050), (60, 1356180), (63, 1291600), (70, 1162440), (72, 1130150), (75, 1084944), (80, 1017135), (84, 968700), (90, 904120), (100, 813708), (105, 774960), (112, 726525), (120, 678090), (126, 645800), (140, 581220), (144, 565075), (150, 542472), (168, 484350), (175, 464976), (180, 452060), (200, 406854), (210, 387480), (225, 361648), (240, 339045), (252, 322900), (280, 290610), (300, 271236), (315, 258320), (336, 242175), (350, 232488), (360, 226030), (400, 203427), (420, 193740), (450, 180824), (504, 161450), (525, 154992), (560, 145305), (600, 135618), (630, 129160), (700, 116244), (720, 113015), (840, 96870), (900, 90412), (1008, 80725), (1050, 77496), (1200, 67809), (1260, 64580), (1400, 58122), (1575, 51664), (1680, 48435), (1800, 45206), (2100, 38748), (2520, 32290), (2800, 29061), (3150, 25832), (3229, 25200), (3600, 22603), (4200, 19374), (5040, 16145), (6300, 12916), (6458, 12600), (8400, 9687)]