77817280

素因数分解:

$2^6\times 5^1\times {\mathrm{23}}^1\times {\mathrm{97}}^1\times {\mathrm{109}}^1$

素因数の和:246

約数の個数: 112

約数和(自身を含む): 197144640

約数和(自身を除く): 119327360

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 32, 40, 46, 64, 80, 92, 97, 109, 115, 160, 184, 194, 218, 230, 320, 368, 388, 436, 460, 485, 545, 736, 776, 872, 920, 970, 1090, 1472, 1552, 1744, 1840, 1940, 2180, 2231, 2507, 3104, 3488, 3680, 3880, 4360, 4462, 5014, 6208, 6976, 7360, 7760, 8720, 8924, 10028, 10573, 11155, 12535, 15520, 17440, 17848, 20056, 21146, 22310, 25070, 31040, 34880, 35696, 40112, 42292, 44620, 50140, 52865, 71392, 80224, 84584, 89240, 100280, 105730, 142784, 160448, 169168, 178480, 200560, 211460, 243179, 338336, 356960, 401120, 422920, 486358, 676672, 713920, 802240, 845840, 972716, 1215895, 1691680, 1945432, 2431790, 3383360, 3890864, 4863580, 7781728, 9727160, 15563456, 19454320, 38908640, 77817280]

約数ペア:

[(1, 77817280), (2, 38908640), (4, 19454320), (5, 15563456), (8, 9727160), (10, 7781728), (16, 4863580), (20, 3890864), (23, 3383360), (32, 2431790), (40, 1945432), (46, 1691680), (64, 1215895), (80, 972716), (92, 845840), (97, 802240), (109, 713920), (115, 676672), (160, 486358), (184, 422920), (194, 401120), (218, 356960), (230, 338336), (320, 243179), (368, 211460), (388, 200560), (436, 178480), (460, 169168), (485, 160448), (545, 142784), (736, 105730), (776, 100280), (872, 89240), (920, 84584), (970, 80224), (1090, 71392), (1472, 52865), (1552, 50140), (1744, 44620), (1840, 42292), (1940, 40112), (2180, 35696), (2231, 34880), (2507, 31040), (3104, 25070), (3488, 22310), (3680, 21146), (3880, 20056), (4360, 17848), (4462, 17440), (5014, 15520), (6208, 12535), (6976, 11155), (7360, 10573), (7760, 10028), (8720, 8924)]