28964760

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{21943}}^1$

素因数の和:21968

約数の個数: 64

約数和(自身を含む): 94798080

約数和(自身を除く): 65833320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 20, 22, 24, 30, 33, 40, 44, 55, 60, 66, 88, 110, 120, 132, 165, 220, 264, 330, 440, 660, 1320, 21943, 43886, 65829, 87772, 109715, 131658, 175544, 219430, 241373, 263316, 329145, 438860, 482746, 526632, 658290, 724119, 877720, 965492, 1206865, 1316580, 1448238, 1930984, 2413730, 2633160, 2896476, 3620595, 4827460, 5792952, 7241190, 9654920, 14482380, 28964760]

約数ペア:

[(1, 28964760), (2, 14482380), (3, 9654920), (4, 7241190), (5, 5792952), (6, 4827460), (8, 3620595), (10, 2896476), (11, 2633160), (12, 2413730), (15, 1930984), (20, 1448238), (22, 1316580), (24, 1206865), (30, 965492), (33, 877720), (40, 724119), (44, 658290), (55, 526632), (60, 482746), (66, 438860), (88, 329145), (110, 263316), (120, 241373), (132, 219430), (165, 175544), (220, 131658), (264, 109715), (330, 87772), (440, 65829), (660, 43886), (1320, 21943)]