28532880

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{1723}}^1$

素因数の和:1765

約数の個数: 120

約数和(自身を含む): 100047168

約数和(自身を除く): 71514288

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 23, 24, 30, 36, 40, 45, 46, 48, 60, 69, 72, 80, 90, 92, 115, 120, 138, 144, 180, 184, 207, 230, 240, 276, 345, 360, 368, 414, 460, 552, 690, 720, 828, 920, 1035, 1104, 1380, 1656, 1723, 1840, 2070, 2760, 3312, 3446, 4140, 5169, 5520, 6892, 8280, 8615, 10338, 13784, 15507, 16560, 17230, 20676, 25845, 27568, 31014, 34460, 39629, 41352, 51690, 62028, 68920, 77535, 79258, 82704, 103380, 118887, 124056, 137840, 155070, 158516, 198145, 206760, 237774, 248112, 310140, 317032, 356661, 396290, 413520, 475548, 594435, 620280, 634064, 713322, 792580, 951096, 1188870, 1240560, 1426644, 1585160, 1783305, 1902192, 2377740, 2853288, 3170320, 3566610, 4755480, 5706576, 7133220, 9510960, 14266440, 28532880]

約数ペア:

[(1, 28532880), (2, 14266440), (3, 9510960), (4, 7133220), (5, 5706576), (6, 4755480), (8, 3566610), (9, 3170320), (10, 2853288), (12, 2377740), (15, 1902192), (16, 1783305), (18, 1585160), (20, 1426644), (23, 1240560), (24, 1188870), (30, 951096), (36, 792580), (40, 713322), (45, 634064), (46, 620280), (48, 594435), (60, 475548), (69, 413520), (72, 396290), (80, 356661), (90, 317032), (92, 310140), (115, 248112), (120, 237774), (138, 206760), (144, 198145), (180, 158516), (184, 155070), (207, 137840), (230, 124056), (240, 118887), (276, 103380), (345, 82704), (360, 79258), (368, 77535), (414, 68920), (460, 62028), (552, 51690), (690, 41352), (720, 39629), (828, 34460), (920, 31014), (1035, 27568), (1104, 25845), (1380, 20676), (1656, 17230), (1723, 16560), (1840, 15507), (2070, 13784), (2760, 10338), (3312, 8615), (3446, 8280), (4140, 6892), (5169, 5520)]