28481760

素因数分解:

$2^5\times 3^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{347}}^1$

素因数の和:390

約数の個数: 192

約数和(自身を含む): 105235200

約数和(自身を除く): 76753440

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 19, 20, 24, 27, 30, 32, 36, 38, 40, 45, 48, 54, 57, 60, 72, 76, 80, 90, 95, 96, 108, 114, 120, 135, 144, 152, 160, 171, 180, 190, 216, 228, 240, 270, 285, 288, 304, 342, 347, 360, 380, 432, 456, 480, 513, 540, 570, 608, 684, 694, 720, 760, 855, 864, 912, 1026, 1041, 1080, 1140, 1368, 1388, 1440, 1520, 1710, 1735, 1824, 2052, 2082, 2160, 2280, 2565, 2736, 2776, 3040, 3123, 3420, 3470, 4104, 4164, 4320, 4560, 5130, 5205, 5472, 5552, 6246, 6593, 6840, 6940, 8208, 8328, 9120, 9369, 10260, 10410, 11104, 12492, 13186, 13680, 13880, 15615, 16416, 16656, 18738, 19779, 20520, 20820, 24984, 26372, 27360, 27760, 31230, 32965, 33312, 37476, 39558, 41040, 41640, 46845, 49968, 52744, 55520, 59337, 62460, 65930, 74952, 79116, 82080, 83280, 93690, 98895, 99936, 105488, 118674, 124920, 131860, 149904, 158232, 166560, 178011, 187380, 197790, 210976, 237348, 249840, 263720, 296685, 299808, 316464, 356022, 374760, 395580, 474696, 499680, 527440, 593370, 632928, 712044, 749520, 791160, 890055, 949392, 1054880, 1186740, 1424088, 1499040, 1582320, 1780110, 1898784, 2373480, 2848176, 3164640, 3560220, 4746960, 5696352, 7120440, 9493920, 14240880, 28481760]

約数ペア:

[(1, 28481760), (2, 14240880), (3, 9493920), (4, 7120440), (5, 5696352), (6, 4746960), (8, 3560220), (9, 3164640), (10, 2848176), (12, 2373480), (15, 1898784), (16, 1780110), (18, 1582320), (19, 1499040), (20, 1424088), (24, 1186740), (27, 1054880), (30, 949392), (32, 890055), (36, 791160), (38, 749520), (40, 712044), (45, 632928), (48, 593370), (54, 527440), (57, 499680), (60, 474696), (72, 395580), (76, 374760), (80, 356022), (90, 316464), (95, 299808), (96, 296685), (108, 263720), (114, 249840), (120, 237348), (135, 210976), (144, 197790), (152, 187380), (160, 178011), (171, 166560), (180, 158232), (190, 149904), (216, 131860), (228, 124920), (240, 118674), (270, 105488), (285, 99936), (288, 98895), (304, 93690), (342, 83280), (347, 82080), (360, 79116), (380, 74952), (432, 65930), (456, 62460), (480, 59337), (513, 55520), (540, 52744), (570, 49968), (608, 46845), (684, 41640), (694, 41040), (720, 39558), (760, 37476), (855, 33312), (864, 32965), (912, 31230), (1026, 27760), (1041, 27360), (1080, 26372), (1140, 24984), (1368, 20820), (1388, 20520), (1440, 19779), (1520, 18738), (1710, 16656), (1735, 16416), (1824, 15615), (2052, 13880), (2082, 13680), (2160, 13186), (2280, 12492), (2565, 11104), (2736, 10410), (2776, 10260), (3040, 9369), (3123, 9120), (3420, 8328), (3470, 8208), (4104, 6940), (4164, 6840), (4320, 6593), (4560, 6246), (5130, 5552), (5205, 5472)]