217982280

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{97}}^1\times {\mathrm{307}}^1$

素因数の和:479

約数の個数: 128

約数和(自身を含む): 673706880

約数和(自身を除く): 455724600

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 61, 97, 120, 122, 183, 194, 244, 291, 305, 307, 366, 388, 485, 488, 582, 610, 614, 732, 776, 915, 921, 970, 1164, 1220, 1228, 1455, 1464, 1535, 1830, 1842, 1940, 2328, 2440, 2456, 2910, 3070, 3660, 3684, 3880, 4605, 5820, 5917, 6140, 7320, 7368, 9210, 11640, 11834, 12280, 17751, 18420, 18727, 23668, 29585, 29779, 35502, 36840, 37454, 47336, 56181, 59170, 59558, 71004, 74908, 88755, 89337, 93635, 112362, 118340, 119116, 142008, 148895, 149816, 177510, 178674, 187270, 224724, 236680, 238232, 280905, 297790, 355020, 357348, 374540, 446685, 449448, 561810, 595580, 710040, 714696, 749080, 893370, 1123620, 1191160, 1786740, 1816519, 2247240, 3573480, 3633038, 5449557, 7266076, 9082595, 10899114, 14532152, 18165190, 21798228, 27247785, 36330380, 43596456, 54495570, 72660760, 108991140, 217982280]

約数ペア:

[(1, 217982280), (2, 108991140), (3, 72660760), (4, 54495570), (5, 43596456), (6, 36330380), (8, 27247785), (10, 21798228), (12, 18165190), (15, 14532152), (20, 10899114), (24, 9082595), (30, 7266076), (40, 5449557), (60, 3633038), (61, 3573480), (97, 2247240), (120, 1816519), (122, 1786740), (183, 1191160), (194, 1123620), (244, 893370), (291, 749080), (305, 714696), (307, 710040), (366, 595580), (388, 561810), (485, 449448), (488, 446685), (582, 374540), (610, 357348), (614, 355020), (732, 297790), (776, 280905), (915, 238232), (921, 236680), (970, 224724), (1164, 187270), (1220, 178674), (1228, 177510), (1455, 149816), (1464, 148895), (1535, 142008), (1830, 119116), (1842, 118340), (1940, 112362), (2328, 93635), (2440, 89337), (2456, 88755), (2910, 74908), (3070, 71004), (3660, 59558), (3684, 59170), (3880, 56181), (4605, 47336), (5820, 37454), (5917, 36840), (6140, 35502), (7320, 29779), (7368, 29585), (9210, 23668), (11640, 18727), (11834, 18420), (12280, 17751)]