28729800

素因数分解:

$2^3\times 3^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{1451}}^1$

素因数の和:1484

約数の個数: 144

約数和(自身を含む): 105328080

約数和(自身を除く): 76598280

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 18, 20, 22, 24, 25, 30, 33, 36, 40, 44, 45, 50, 55, 60, 66, 72, 75, 88, 90, 99, 100, 110, 120, 132, 150, 165, 180, 198, 200, 220, 225, 264, 275, 300, 330, 360, 396, 440, 450, 495, 550, 600, 660, 792, 825, 900, 990, 1100, 1320, 1451, 1650, 1800, 1980, 2200, 2475, 2902, 3300, 3960, 4353, 4950, 5804, 6600, 7255, 8706, 9900, 11608, 13059, 14510, 15961, 17412, 19800, 21765, 26118, 29020, 31922, 34824, 36275, 43530, 47883, 52236, 58040, 63844, 65295, 72550, 79805, 87060, 95766, 104472, 108825, 127688, 130590, 143649, 145100, 159610, 174120, 191532, 217650, 239415, 261180, 287298, 290200, 319220, 326475, 383064, 399025, 435300, 478830, 522360, 574596, 638440, 652950, 718245, 798050, 870600, 957660, 1149192, 1197075, 1305900, 1436490, 1596100, 1915320, 2394150, 2611800, 2872980, 3192200, 3591225, 4788300, 5745960, 7182450, 9576600, 14364900, 28729800]

約数ペア:

[(1, 28729800), (2, 14364900), (3, 9576600), (4, 7182450), (5, 5745960), (6, 4788300), (8, 3591225), (9, 3192200), (10, 2872980), (11, 2611800), (12, 2394150), (15, 1915320), (18, 1596100), (20, 1436490), (22, 1305900), (24, 1197075), (25, 1149192), (30, 957660), (33, 870600), (36, 798050), (40, 718245), (44, 652950), (45, 638440), (50, 574596), (55, 522360), (60, 478830), (66, 435300), (72, 399025), (75, 383064), (88, 326475), (90, 319220), (99, 290200), (100, 287298), (110, 261180), (120, 239415), (132, 217650), (150, 191532), (165, 174120), (180, 159610), (198, 145100), (200, 143649), (220, 130590), (225, 127688), (264, 108825), (275, 104472), (300, 95766), (330, 87060), (360, 79805), (396, 72550), (440, 65295), (450, 63844), (495, 58040), (550, 52236), (600, 47883), (660, 43530), (792, 36275), (825, 34824), (900, 31922), (990, 29020), (1100, 26118), (1320, 21765), (1451, 19800), (1650, 17412), (1800, 15961), (1980, 14510), (2200, 13059), (2475, 11608), (2902, 9900), (3300, 8706), (3960, 7255), (4353, 6600), (4950, 5804)]