1288398760

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{71419}}^1$

素因数の和:71482

約数の個数: 64

約数和(自身を含む): 3239611200

約数和(自身を除く): 1951212440

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 41, 44, 55, 82, 88, 110, 164, 205, 220, 328, 410, 440, 451, 820, 902, 1640, 1804, 2255, 3608, 4510, 9020, 18040, 71419, 142838, 285676, 357095, 571352, 714190, 785609, 1428380, 1571218, 2856760, 2928179, 3142436, 3928045, 5856358, 6284872, 7856090, 11712716, 14640895, 15712180, 23425432, 29281790, 31424360, 32209969, 58563580, 64419938, 117127160, 128839876, 161049845, 257679752, 322099690, 644199380, 1288398760]

約数ペア:

[(1, 1288398760), (2, 644199380), (4, 322099690), (5, 257679752), (8, 161049845), (10, 128839876), (11, 117127160), (20, 64419938), (22, 58563580), (40, 32209969), (41, 31424360), (44, 29281790), (55, 23425432), (82, 15712180), (88, 14640895), (110, 11712716), (164, 7856090), (205, 6284872), (220, 5856358), (328, 3928045), (410, 3142436), (440, 2928179), (451, 2856760), (820, 1571218), (902, 1428380), (1640, 785609), (1804, 714190), (2255, 571352), (3608, 357095), (4510, 285676), (9020, 142838), (18040, 71419)]