31680720

素因数分解:

$2^4\times 3^4\times 5^1\times {\mathrm{4889}}^1$

素因数の和:4914

約数の個数: 100

約数和(自身を含む): 110054340

約数和(自身を除く): 78373620

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 36, 40, 45, 48, 54, 60, 72, 80, 81, 90, 108, 120, 135, 144, 162, 180, 216, 240, 270, 324, 360, 405, 432, 540, 648, 720, 810, 1080, 1296, 1620, 2160, 3240, 4889, 6480, 9778, 14667, 19556, 24445, 29334, 39112, 44001, 48890, 58668, 73335, 78224, 88002, 97780, 117336, 132003, 146670, 176004, 195560, 220005, 234672, 264006, 293340, 352008, 391120, 396009, 440010, 528012, 586680, 660015, 704016, 792018, 880020, 1056024, 1173360, 1320030, 1584036, 1760040, 1980045, 2112048, 2640060, 3168072, 3520080, 3960090, 5280120, 6336144, 7920180, 10560240, 15840360, 31680720]

約数ペア:

[(1, 31680720), (2, 15840360), (3, 10560240), (4, 7920180), (5, 6336144), (6, 5280120), (8, 3960090), (9, 3520080), (10, 3168072), (12, 2640060), (15, 2112048), (16, 1980045), (18, 1760040), (20, 1584036), (24, 1320030), (27, 1173360), (30, 1056024), (36, 880020), (40, 792018), (45, 704016), (48, 660015), (54, 586680), (60, 528012), (72, 440010), (80, 396009), (81, 391120), (90, 352008), (108, 293340), (120, 264006), (135, 234672), (144, 220005), (162, 195560), (180, 176004), (216, 146670), (240, 132003), (270, 117336), (324, 97780), (360, 88002), (405, 78224), (432, 73335), (540, 58668), (648, 48890), (720, 44001), (810, 39112), (1080, 29334), (1296, 24445), (1620, 19556), (2160, 14667), (3240, 9778), (4889, 6480)]