28175040

素因数分解:

$2^6\times 3^4\times 5^1\times {\mathrm{1087}}^1$

素因数の和:1116

約数の個数: 140

約数和(自身を含む): 100315776

約数和(自身を除く): 72140736

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 40, 45, 48, 54, 60, 64, 72, 80, 81, 90, 96, 108, 120, 135, 144, 160, 162, 180, 192, 216, 240, 270, 288, 320, 324, 360, 405, 432, 480, 540, 576, 648, 720, 810, 864, 960, 1080, 1087, 1296, 1440, 1620, 1728, 2160, 2174, 2592, 2880, 3240, 3261, 4320, 4348, 5184, 5435, 6480, 6522, 8640, 8696, 9783, 10870, 12960, 13044, 16305, 17392, 19566, 21740, 25920, 26088, 29349, 32610, 34784, 39132, 43480, 48915, 52176, 58698, 65220, 69568, 78264, 86960, 88047, 97830, 104352, 117396, 130440, 146745, 156528, 173920, 176094, 195660, 208704, 234792, 260880, 293490, 313056, 347840, 352188, 391320, 440235, 469584, 521760, 586980, 626112, 704376, 782640, 880470, 939168, 1043520, 1173960, 1408752, 1565280, 1760940, 1878336, 2347920, 2817504, 3130560, 3521880, 4695840, 5635008, 7043760, 9391680, 14087520, 28175040]

約数ペア:

[(1, 28175040), (2, 14087520), (3, 9391680), (4, 7043760), (5, 5635008), (6, 4695840), (8, 3521880), (9, 3130560), (10, 2817504), (12, 2347920), (15, 1878336), (16, 1760940), (18, 1565280), (20, 1408752), (24, 1173960), (27, 1043520), (30, 939168), (32, 880470), (36, 782640), (40, 704376), (45, 626112), (48, 586980), (54, 521760), (60, 469584), (64, 440235), (72, 391320), (80, 352188), (81, 347840), (90, 313056), (96, 293490), (108, 260880), (120, 234792), (135, 208704), (144, 195660), (160, 176094), (162, 173920), (180, 156528), (192, 146745), (216, 130440), (240, 117396), (270, 104352), (288, 97830), (320, 88047), (324, 86960), (360, 78264), (405, 69568), (432, 65220), (480, 58698), (540, 52176), (576, 48915), (648, 43480), (720, 39132), (810, 34784), (864, 32610), (960, 29349), (1080, 26088), (1087, 25920), (1296, 21740), (1440, 19566), (1620, 17392), (1728, 16305), (2160, 13044), (2174, 12960), (2592, 10870), (2880, 9783), (3240, 8696), (3261, 8640), (4320, 6522), (4348, 6480), (5184, 5435)]