64747375

素因数分解:

$5^3\times 7^2\times {\mathrm{11}}^1\times {\mathrm{31}}^2$

素因数の和:102

約数の個数: 72

約数和(自身を含む): 105957072

約数和(自身を除く): 41209697

約数列:

[1, 5, 7, 11, 25, 31, 35, 49, 55, 77, 125, 155, 175, 217, 245, 275, 341, 385, 539, 775, 875, 961, 1085, 1225, 1375, 1519, 1705, 1925, 2387, 2695, 3875, 4805, 5425, 6125, 6727, 7595, 8525, 9625, 10571, 11935, 13475, 16709, 24025, 27125, 33635, 37975, 42625, 47089, 52855, 59675, 67375, 73997, 83545, 120125, 168175, 189875, 235445, 264275, 298375, 369985, 417725, 517979, 840875, 1177225, 1321375, 1849925, 2088625, 2589895, 5886125, 9249625, 12949475, 64747375]

約数ペア:

[(1, 64747375), (5, 12949475), (7, 9249625), (11, 5886125), (25, 2589895), (31, 2088625), (35, 1849925), (49, 1321375), (55, 1177225), (77, 840875), (125, 517979), (155, 417725), (175, 369985), (217, 298375), (245, 264275), (275, 235445), (341, 189875), (385, 168175), (539, 120125), (775, 83545), (875, 73997), (961, 67375), (1085, 59675), (1225, 52855), (1375, 47089), (1519, 42625), (1705, 37975), (1925, 33635), (2387, 27125), (2695, 24025), (3875, 16709), (4805, 13475), (5425, 11935), (6125, 10571), (6727, 9625), (7595, 8525)]