256356816

素因数分解:

$2^4\times 3^1\times {\mathrm{19}}^1\times {\mathrm{181}}^1\times {\mathrm{1553}}^1$

素因数の和:1764

約数の個数: 80

約数和(自身を含む): 701413440

約数和(自身を除く): 445056624

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 19, 24, 38, 48, 57, 76, 114, 152, 181, 228, 304, 362, 456, 543, 724, 912, 1086, 1448, 1553, 2172, 2896, 3106, 3439, 4344, 4659, 6212, 6878, 8688, 9318, 10317, 12424, 13756, 18636, 20634, 24848, 27512, 29507, 37272, 41268, 55024, 59014, 74544, 82536, 88521, 118028, 165072, 177042, 236056, 281093, 354084, 472112, 562186, 708168, 843279, 1124372, 1416336, 1686558, 2248744, 3373116, 4497488, 5340767, 6746232, 10681534, 13492464, 16022301, 21363068, 32044602, 42726136, 64089204, 85452272, 128178408, 256356816]

約数ペア:

[(1, 256356816), (2, 128178408), (3, 85452272), (4, 64089204), (6, 42726136), (8, 32044602), (12, 21363068), (16, 16022301), (19, 13492464), (24, 10681534), (38, 6746232), (48, 5340767), (57, 4497488), (76, 3373116), (114, 2248744), (152, 1686558), (181, 1416336), (228, 1124372), (304, 843279), (362, 708168), (456, 562186), (543, 472112), (724, 354084), (912, 281093), (1086, 236056), (1448, 177042), (1553, 165072), (2172, 118028), (2896, 88521), (3106, 82536), (3439, 74544), (4344, 59014), (4659, 55024), (6212, 41268), (6878, 37272), (8688, 29507), (9318, 27512), (10317, 24848), (12424, 20634), (13756, 18636)]