121224720

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{21961}}^1$

素因数の和:22000

約数の個数: 80

約数和(自身を含む): 392153472

約数和(自身を除く): 270928752

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 23, 24, 30, 40, 46, 48, 60, 69, 80, 92, 115, 120, 138, 184, 230, 240, 276, 345, 368, 460, 552, 690, 920, 1104, 1380, 1840, 2760, 5520, 21961, 43922, 65883, 87844, 109805, 131766, 175688, 219610, 263532, 329415, 351376, 439220, 505103, 527064, 658830, 878440, 1010206, 1054128, 1317660, 1515309, 1756880, 2020412, 2525515, 2635320, 3030618, 4040824, 5051030, 5270640, 6061236, 7576545, 8081648, 10102060, 12122472, 15153090, 20204120, 24244944, 30306180, 40408240, 60612360, 121224720]

約数ペア:

[(1, 121224720), (2, 60612360), (3, 40408240), (4, 30306180), (5, 24244944), (6, 20204120), (8, 15153090), (10, 12122472), (12, 10102060), (15, 8081648), (16, 7576545), (20, 6061236), (23, 5270640), (24, 5051030), (30, 4040824), (40, 3030618), (46, 2635320), (48, 2525515), (60, 2020412), (69, 1756880), (80, 1515309), (92, 1317660), (115, 1054128), (120, 1010206), (138, 878440), (184, 658830), (230, 527064), (240, 505103), (276, 439220), (345, 351376), (368, 329415), (460, 263532), (552, 219610), (690, 175688), (920, 131766), (1104, 109805), (1380, 87844), (1840, 65883), (2760, 43922), (5520, 21961)]