28018320

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{10613}}^1$

素因数の和:10640

約数の個数: 80

約数和(自身を含む): 94761792

約数和(自身を除く): 66743472

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 16, 20, 22, 24, 30, 33, 40, 44, 48, 55, 60, 66, 80, 88, 110, 120, 132, 165, 176, 220, 240, 264, 330, 440, 528, 660, 880, 1320, 2640, 10613, 21226, 31839, 42452, 53065, 63678, 84904, 106130, 116743, 127356, 159195, 169808, 212260, 233486, 254712, 318390, 350229, 424520, 466972, 509424, 583715, 636780, 700458, 849040, 933944, 1167430, 1273560, 1400916, 1751145, 1867888, 2334860, 2547120, 2801832, 3502290, 4669720, 5603664, 7004580, 9339440, 14009160, 28018320]

約数ペア:

[(1, 28018320), (2, 14009160), (3, 9339440), (4, 7004580), (5, 5603664), (6, 4669720), (8, 3502290), (10, 2801832), (11, 2547120), (12, 2334860), (15, 1867888), (16, 1751145), (20, 1400916), (22, 1273560), (24, 1167430), (30, 933944), (33, 849040), (40, 700458), (44, 636780), (48, 583715), (55, 509424), (60, 466972), (66, 424520), (80, 350229), (88, 318390), (110, 254712), (120, 233486), (132, 212260), (165, 169808), (176, 159195), (220, 127356), (240, 116743), (264, 106130), (330, 84904), (440, 63678), (528, 53065), (660, 42452), (880, 31839), (1320, 21226), (2640, 10613)]