81032880

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19861}}^1$

素因数の和:19894

約数の個数: 80

約数和(自身を含む): 265991904

約数和(自身を除く): 184959024

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 17, 20, 24, 30, 34, 40, 48, 51, 60, 68, 80, 85, 102, 120, 136, 170, 204, 240, 255, 272, 340, 408, 510, 680, 816, 1020, 1360, 2040, 4080, 19861, 39722, 59583, 79444, 99305, 119166, 158888, 198610, 238332, 297915, 317776, 337637, 397220, 476664, 595830, 675274, 794440, 953328, 1012911, 1191660, 1350548, 1588880, 1688185, 2025822, 2383320, 2701096, 3376370, 4051644, 4766640, 5064555, 5402192, 6752740, 8103288, 10129110, 13505480, 16206576, 20258220, 27010960, 40516440, 81032880]

約数ペア:

[(1, 81032880), (2, 40516440), (3, 27010960), (4, 20258220), (5, 16206576), (6, 13505480), (8, 10129110), (10, 8103288), (12, 6752740), (15, 5402192), (16, 5064555), (17, 4766640), (20, 4051644), (24, 3376370), (30, 2701096), (34, 2383320), (40, 2025822), (48, 1688185), (51, 1588880), (60, 1350548), (68, 1191660), (80, 1012911), (85, 953328), (102, 794440), (120, 675274), (136, 595830), (170, 476664), (204, 397220), (240, 337637), (255, 317776), (272, 297915), (340, 238332), (408, 198610), (510, 158888), (680, 119166), (816, 99305), (1020, 79444), (1360, 59583), (2040, 39722), (4080, 19861)]