221555760

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{97}}^1\times {\mathrm{307}}^1$

素因数の和:451

約数の個数: 160

約数和(自身を含む): 718620672

約数和(自身を除く): 497064912

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 31, 40, 48, 60, 62, 80, 93, 97, 120, 124, 155, 186, 194, 240, 248, 291, 307, 310, 372, 388, 465, 485, 496, 582, 614, 620, 744, 776, 921, 930, 970, 1164, 1228, 1240, 1455, 1488, 1535, 1552, 1842, 1860, 1940, 2328, 2456, 2480, 2910, 3007, 3070, 3684, 3720, 3880, 4605, 4656, 4912, 5820, 6014, 6140, 7368, 7440, 7760, 9021, 9210, 9517, 11640, 12028, 12280, 14736, 15035, 18042, 18420, 19034, 23280, 24056, 24560, 28551, 29779, 30070, 36084, 36840, 38068, 45105, 47585, 48112, 57102, 59558, 60140, 72168, 73680, 76136, 89337, 90210, 95170, 114204, 119116, 120280, 142755, 144336, 148895, 152272, 178674, 180420, 190340, 228408, 238232, 240560, 285510, 297790, 357348, 360840, 380680, 446685, 456816, 476464, 571020, 595580, 714696, 721680, 761360, 893370, 923149, 1142040, 1191160, 1429392, 1786740, 1846298, 2284080, 2382320, 2769447, 3573480, 3692596, 4615745, 5538894, 7146960, 7385192, 9231490, 11077788, 13847235, 14770384, 18462980, 22155576, 27694470, 36925960, 44311152, 55388940, 73851920, 110777880, 221555760]

約数ペア:

[(1, 221555760), (2, 110777880), (3, 73851920), (4, 55388940), (5, 44311152), (6, 36925960), (8, 27694470), (10, 22155576), (12, 18462980), (15, 14770384), (16, 13847235), (20, 11077788), (24, 9231490), (30, 7385192), (31, 7146960), (40, 5538894), (48, 4615745), (60, 3692596), (62, 3573480), (80, 2769447), (93, 2382320), (97, 2284080), (120, 1846298), (124, 1786740), (155, 1429392), (186, 1191160), (194, 1142040), (240, 923149), (248, 893370), (291, 761360), (307, 721680), (310, 714696), (372, 595580), (388, 571020), (465, 476464), (485, 456816), (496, 446685), (582, 380680), (614, 360840), (620, 357348), (744, 297790), (776, 285510), (921, 240560), (930, 238232), (970, 228408), (1164, 190340), (1228, 180420), (1240, 178674), (1455, 152272), (1488, 148895), (1535, 144336), (1552, 142755), (1842, 120280), (1860, 119116), (1940, 114204), (2328, 95170), (2456, 90210), (2480, 89337), (2910, 76136), (3007, 73680), (3070, 72168), (3684, 60140), (3720, 59558), (3880, 57102), (4605, 48112), (4656, 47585), (4912, 45105), (5820, 38068), (6014, 36840), (6140, 36084), (7368, 30070), (7440, 29779), (7760, 28551), (9021, 24560), (9210, 24056), (9517, 23280), (11640, 19034), (12028, 18420), (12280, 18042), (14736, 15035)]