205122960

素因数分解:

$2^4\times 3^2\times 5^1\times 7^1\times {\mathrm{40699}}^1$

素因数の和:40725

約数の個数: 120

約数和(自身を含む): 787300800

約数和(自身を除く): 582177840

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 48, 56, 60, 63, 70, 72, 80, 84, 90, 105, 112, 120, 126, 140, 144, 168, 180, 210, 240, 252, 280, 315, 336, 360, 420, 504, 560, 630, 720, 840, 1008, 1260, 1680, 2520, 5040, 40699, 81398, 122097, 162796, 203495, 244194, 284893, 325592, 366291, 406990, 488388, 569786, 610485, 651184, 732582, 813980, 854679, 976776, 1139572, 1220970, 1424465, 1465164, 1627960, 1709358, 1831455, 1953552, 2279144, 2441940, 2564037, 2848930, 2930328, 3255920, 3418716, 3662910, 4273395, 4558288, 4883880, 5128074, 5697860, 5860656, 6837432, 7325820, 8546790, 9767760, 10256148, 11395720, 12820185, 13674864, 14651640, 17093580, 20512296, 22791440, 25640370, 29303280, 34187160, 41024592, 51280740, 68374320, 102561480, 205122960]

約数ペア:

[(1, 205122960), (2, 102561480), (3, 68374320), (4, 51280740), (5, 41024592), (6, 34187160), (7, 29303280), (8, 25640370), (9, 22791440), (10, 20512296), (12, 17093580), (14, 14651640), (15, 13674864), (16, 12820185), (18, 11395720), (20, 10256148), (21, 9767760), (24, 8546790), (28, 7325820), (30, 6837432), (35, 5860656), (36, 5697860), (40, 5128074), (42, 4883880), (45, 4558288), (48, 4273395), (56, 3662910), (60, 3418716), (63, 3255920), (70, 2930328), (72, 2848930), (80, 2564037), (84, 2441940), (90, 2279144), (105, 1953552), (112, 1831455), (120, 1709358), (126, 1627960), (140, 1465164), (144, 1424465), (168, 1220970), (180, 1139572), (210, 976776), (240, 854679), (252, 813980), (280, 732582), (315, 651184), (336, 610485), (360, 569786), (420, 488388), (504, 406990), (560, 366291), (630, 325592), (720, 284893), (840, 244194), (1008, 203495), (1260, 162796), (1680, 122097), (2520, 81398), (5040, 40699)]