27758880

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{521}}^1$

素因数の和:579

約数の個数: 144

約数和(自身を含む): 97474104

約数和(自身を除く): 69715224

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 37, 40, 45, 48, 60, 72, 74, 80, 90, 96, 111, 120, 144, 148, 160, 180, 185, 222, 240, 288, 296, 333, 360, 370, 444, 480, 521, 555, 592, 666, 720, 740, 888, 1042, 1110, 1184, 1332, 1440, 1480, 1563, 1665, 1776, 2084, 2220, 2605, 2664, 2960, 3126, 3330, 3552, 4168, 4440, 4689, 5210, 5328, 5920, 6252, 6660, 7815, 8336, 8880, 9378, 10420, 10656, 12504, 13320, 15630, 16672, 17760, 18756, 19277, 20840, 23445, 25008, 26640, 31260, 37512, 38554, 41680, 46890, 50016, 53280, 57831, 62520, 75024, 77108, 83360, 93780, 96385, 115662, 125040, 150048, 154216, 173493, 187560, 192770, 231324, 250080, 289155, 308432, 346986, 375120, 385540, 462648, 578310, 616864, 693972, 750240, 771080, 867465, 925296, 1156620, 1387944, 1542160, 1734930, 1850592, 2313240, 2775888, 3084320, 3469860, 4626480, 5551776, 6939720, 9252960, 13879440, 27758880]

約数ペア:

[(1, 27758880), (2, 13879440), (3, 9252960), (4, 6939720), (5, 5551776), (6, 4626480), (8, 3469860), (9, 3084320), (10, 2775888), (12, 2313240), (15, 1850592), (16, 1734930), (18, 1542160), (20, 1387944), (24, 1156620), (30, 925296), (32, 867465), (36, 771080), (37, 750240), (40, 693972), (45, 616864), (48, 578310), (60, 462648), (72, 385540), (74, 375120), (80, 346986), (90, 308432), (96, 289155), (111, 250080), (120, 231324), (144, 192770), (148, 187560), (160, 173493), (180, 154216), (185, 150048), (222, 125040), (240, 115662), (288, 96385), (296, 93780), (333, 83360), (360, 77108), (370, 75024), (444, 62520), (480, 57831), (521, 53280), (555, 50016), (592, 46890), (666, 41680), (720, 38554), (740, 37512), (888, 31260), (1042, 26640), (1110, 25008), (1184, 23445), (1332, 20840), (1440, 19277), (1480, 18756), (1563, 17760), (1665, 16672), (1776, 15630), (2084, 13320), (2220, 12504), (2605, 10656), (2664, 10420), (2960, 9378), (3126, 8880), (3330, 8336), (3552, 7815), (4168, 6660), (4440, 6252), (4689, 5920), (5210, 5328)]