72666904640

素因数分解:

$2^6\times 5^1\times {\mathrm{11}}^1\times {\mathrm{20644007}}^1$

素因数の和:20644035

約数の個数: 56

約数和(自身を含む): 188768809152

約数和(自身を除く): 116101904512

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 64, 80, 88, 110, 160, 176, 220, 320, 352, 440, 704, 880, 1760, 3520, 20644007, 41288014, 82576028, 103220035, 165152056, 206440070, 227084077, 330304112, 412880140, 454168154, 660608224, 825760280, 908336308, 1135420385, 1321216448, 1651520560, 1816672616, 2270840770, 3303041120, 3633345232, 4541681540, 6606082240, 7266690464, 9083363080, 14533380928, 18166726160, 36333452320, 72666904640]

約数ペア:

[(1, 72666904640), (2, 36333452320), (4, 18166726160), (5, 14533380928), (8, 9083363080), (10, 7266690464), (11, 6606082240), (16, 4541681540), (20, 3633345232), (22, 3303041120), (32, 2270840770), (40, 1816672616), (44, 1651520560), (55, 1321216448), (64, 1135420385), (80, 908336308), (88, 825760280), (110, 660608224), (160, 454168154), (176, 412880140), (220, 330304112), (320, 227084077), (352, 206440070), (440, 165152056), (704, 103220035), (880, 82576028), (1760, 41288014), (3520, 20644007)]