255559080

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{307}}^1\times {\mathrm{991}}^1$

素因数の和:1319

約数の個数: 128

約数和(自身を含む): 879943680

約数和(自身を除く): 624384600

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 307, 420, 614, 840, 921, 991, 1228, 1535, 1842, 1982, 2149, 2456, 2973, 3070, 3684, 3964, 4298, 4605, 4955, 5946, 6140, 6447, 6937, 7368, 7928, 8596, 9210, 9910, 10745, 11892, 12280, 12894, 13874, 14865, 17192, 18420, 19820, 20811, 21490, 23784, 25788, 27748, 29730, 32235, 34685, 36840, 39640, 41622, 42980, 51576, 55496, 59460, 64470, 69370, 83244, 85960, 104055, 118920, 128940, 138740, 166488, 208110, 257880, 277480, 304237, 416220, 608474, 832440, 912711, 1216948, 1521185, 1825422, 2129659, 2433896, 3042370, 3650844, 4259318, 4563555, 6084740, 6388977, 7301688, 8518636, 9127110, 10648295, 12169480, 12777954, 17037272, 18254220, 21296590, 25555908, 31944885, 36508440, 42593180, 51111816, 63889770, 85186360, 127779540, 255559080]

約数ペア:

[(1, 255559080), (2, 127779540), (3, 85186360), (4, 63889770), (5, 51111816), (6, 42593180), (7, 36508440), (8, 31944885), (10, 25555908), (12, 21296590), (14, 18254220), (15, 17037272), (20, 12777954), (21, 12169480), (24, 10648295), (28, 9127110), (30, 8518636), (35, 7301688), (40, 6388977), (42, 6084740), (56, 4563555), (60, 4259318), (70, 3650844), (84, 3042370), (105, 2433896), (120, 2129659), (140, 1825422), (168, 1521185), (210, 1216948), (280, 912711), (307, 832440), (420, 608474), (614, 416220), (840, 304237), (921, 277480), (991, 257880), (1228, 208110), (1535, 166488), (1842, 138740), (1982, 128940), (2149, 118920), (2456, 104055), (2973, 85960), (3070, 83244), (3684, 69370), (3964, 64470), (4298, 59460), (4605, 55496), (4955, 51576), (5946, 42980), (6140, 41622), (6447, 39640), (6937, 36840), (7368, 34685), (7928, 32235), (8596, 29730), (9210, 27748), (9910, 25788), (10745, 23784), (11892, 21490), (12280, 20811), (12894, 19820), (13874, 18420), (14865, 17192)]