28957680

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{1087}}^1$

素因数の和:1143

約数の個数: 120

約数和(自身を含む): 99969792

約数和(自身を除く): 71012112

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 37, 40, 45, 48, 60, 72, 74, 80, 90, 111, 120, 144, 148, 180, 185, 222, 240, 296, 333, 360, 370, 444, 555, 592, 666, 720, 740, 888, 1087, 1110, 1332, 1480, 1665, 1776, 2174, 2220, 2664, 2960, 3261, 3330, 4348, 4440, 5328, 5435, 6522, 6660, 8696, 8880, 9783, 10870, 13044, 13320, 16305, 17392, 19566, 21740, 26088, 26640, 32610, 39132, 40219, 43480, 48915, 52176, 65220, 78264, 80438, 86960, 97830, 120657, 130440, 156528, 160876, 195660, 201095, 241314, 260880, 321752, 361971, 391320, 402190, 482628, 603285, 643504, 723942, 782640, 804380, 965256, 1206570, 1447884, 1608760, 1809855, 1930512, 2413140, 2895768, 3217520, 3619710, 4826280, 5791536, 7239420, 9652560, 14478840, 28957680]

約数ペア:

[(1, 28957680), (2, 14478840), (3, 9652560), (4, 7239420), (5, 5791536), (6, 4826280), (8, 3619710), (9, 3217520), (10, 2895768), (12, 2413140), (15, 1930512), (16, 1809855), (18, 1608760), (20, 1447884), (24, 1206570), (30, 965256), (36, 804380), (37, 782640), (40, 723942), (45, 643504), (48, 603285), (60, 482628), (72, 402190), (74, 391320), (80, 361971), (90, 321752), (111, 260880), (120, 241314), (144, 201095), (148, 195660), (180, 160876), (185, 156528), (222, 130440), (240, 120657), (296, 97830), (333, 86960), (360, 80438), (370, 78264), (444, 65220), (555, 52176), (592, 48915), (666, 43480), (720, 40219), (740, 39132), (888, 32610), (1087, 26640), (1110, 26088), (1332, 21740), (1480, 19566), (1665, 17392), (1776, 16305), (2174, 13320), (2220, 13044), (2664, 10870), (2960, 9783), (3261, 8880), (3330, 8696), (4348, 6660), (4440, 6522), (5328, 5435)]