80721000

素因数分解:

$2^3\times 3^2\times 5^3\times {\mathrm{8969}}^1$

素因数の和:8996

約数の個数: 96

約数和(自身を含む): 272867400

約数和(自身を除く): 192146400

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 25, 30, 36, 40, 45, 50, 60, 72, 75, 90, 100, 120, 125, 150, 180, 200, 225, 250, 300, 360, 375, 450, 500, 600, 750, 900, 1000, 1125, 1500, 1800, 2250, 3000, 4500, 8969, 9000, 17938, 26907, 35876, 44845, 53814, 71752, 80721, 89690, 107628, 134535, 161442, 179380, 215256, 224225, 269070, 322884, 358760, 403605, 448450, 538140, 645768, 672675, 807210, 896900, 1076280, 1121125, 1345350, 1614420, 1793800, 2018025, 2242250, 2690700, 3228840, 3363375, 4036050, 4484500, 5381400, 6726750, 8072100, 8969000, 10090125, 13453500, 16144200, 20180250, 26907000, 40360500, 80721000]

約数ペア:

[(1, 80721000), (2, 40360500), (3, 26907000), (4, 20180250), (5, 16144200), (6, 13453500), (8, 10090125), (9, 8969000), (10, 8072100), (12, 6726750), (15, 5381400), (18, 4484500), (20, 4036050), (24, 3363375), (25, 3228840), (30, 2690700), (36, 2242250), (40, 2018025), (45, 1793800), (50, 1614420), (60, 1345350), (72, 1121125), (75, 1076280), (90, 896900), (100, 807210), (120, 672675), (125, 645768), (150, 538140), (180, 448450), (200, 403605), (225, 358760), (250, 322884), (300, 269070), (360, 224225), (375, 215256), (450, 179380), (500, 161442), (600, 134535), (750, 107628), (900, 89690), (1000, 80721), (1125, 71752), (1500, 53814), (1800, 44845), (2250, 35876), (3000, 26907), (4500, 17938), (8969, 9000)]