2478480

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{449}}^1$

素因数の和:488

約数の個数: 80

約数和(自身を含む): 8035200

約数和(自身を除く): 5556720

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, 449, 460, 552, 690, 898, 920, 1104, 1347, 1380, 1796, 1840, 2245, 2694, 2760, 3592, 4490, 5388, 5520, 6735, 7184, 8980, 10327, 10776, 13470, 17960, 20654, 21552, 26940, 30981, 35920, 41308, 51635, 53880, 61962, 82616, 103270, 107760, 123924, 154905, 165232, 206540, 247848, 309810, 413080, 495696, 619620, 826160, 1239240, 2478480]

約数ペア:

[(1, 2478480), (2, 1239240), (3, 826160), (4, 619620), (5, 495696), (6, 413080), (8, 309810), (10, 247848), (12, 206540), (15, 165232), (16, 154905), (20, 123924), (23, 107760), (24, 103270), (30, 82616), (40, 61962), (46, 53880), (48, 51635), (60, 41308), (69, 35920), (80, 30981), (92, 26940), (115, 21552), (120, 20654), (138, 17960), (184, 13470), (230, 10776), (240, 10327), (276, 8980), (345, 7184), (368, 6735), (449, 5520), (460, 5388), (552, 4490), (690, 3592), (898, 2760), (920, 2694), (1104, 2245), (1347, 1840), (1380, 1796)]