31088880

素因数分解:

$2^4\times 3^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{389}}^1$

素因数の和:448

約数の個数: 160

約数和(自身を含む): 110260800

約数和(自身を除く): 79171920

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 36, 37, 40, 45, 48, 54, 60, 72, 74, 80, 90, 108, 111, 120, 135, 144, 148, 180, 185, 216, 222, 240, 270, 296, 333, 360, 370, 389, 432, 444, 540, 555, 592, 666, 720, 740, 778, 888, 999, 1080, 1110, 1167, 1332, 1480, 1556, 1665, 1776, 1945, 1998, 2160, 2220, 2334, 2664, 2960, 3112, 3330, 3501, 3890, 3996, 4440, 4668, 4995, 5328, 5835, 6224, 6660, 7002, 7780, 7992, 8880, 9336, 9990, 10503, 11670, 13320, 14004, 14393, 15560, 15984, 17505, 18672, 19980, 21006, 23340, 26640, 28008, 28786, 31120, 35010, 39960, 42012, 43179, 46680, 52515, 56016, 57572, 70020, 71965, 79920, 84024, 86358, 93360, 105030, 115144, 129537, 140040, 143930, 168048, 172716, 210060, 215895, 230288, 259074, 280080, 287860, 345432, 388611, 420120, 431790, 518148, 575720, 647685, 690864, 777222, 840240, 863580, 1036296, 1151440, 1295370, 1554444, 1727160, 1943055, 2072592, 2590740, 3108888, 3454320, 3886110, 5181480, 6217776, 7772220, 10362960, 15544440, 31088880]

約数ペア:

[(1, 31088880), (2, 15544440), (3, 10362960), (4, 7772220), (5, 6217776), (6, 5181480), (8, 3886110), (9, 3454320), (10, 3108888), (12, 2590740), (15, 2072592), (16, 1943055), (18, 1727160), (20, 1554444), (24, 1295370), (27, 1151440), (30, 1036296), (36, 863580), (37, 840240), (40, 777222), (45, 690864), (48, 647685), (54, 575720), (60, 518148), (72, 431790), (74, 420120), (80, 388611), (90, 345432), (108, 287860), (111, 280080), (120, 259074), (135, 230288), (144, 215895), (148, 210060), (180, 172716), (185, 168048), (216, 143930), (222, 140040), (240, 129537), (270, 115144), (296, 105030), (333, 93360), (360, 86358), (370, 84024), (389, 79920), (432, 71965), (444, 70020), (540, 57572), (555, 56016), (592, 52515), (666, 46680), (720, 43179), (740, 42012), (778, 39960), (888, 35010), (999, 31120), (1080, 28786), (1110, 28008), (1167, 26640), (1332, 23340), (1480, 21006), (1556, 19980), (1665, 18672), (1776, 17505), (1945, 15984), (1998, 15560), (2160, 14393), (2220, 14004), (2334, 13320), (2664, 11670), (2960, 10503), (3112, 9990), (3330, 9336), (3501, 8880), (3890, 7992), (3996, 7780), (4440, 7002), (4668, 6660), (4995, 6224), (5328, 5835)]