28921200

素因数分解:

$2^4\times 3^1\times 5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{313}}^1$

素因数の和:352

約数の個数: 240

約数和(自身を含む): 115873536

約数和(自身を除く): 86952336

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 11, 12, 14, 15, 16, 20, 21, 22, 24, 25, 28, 30, 33, 35, 40, 42, 44, 48, 50, 55, 56, 60, 66, 70, 75, 77, 80, 84, 88, 100, 105, 110, 112, 120, 132, 140, 150, 154, 165, 168, 175, 176, 200, 210, 220, 231, 240, 264, 275, 280, 300, 308, 313, 330, 336, 350, 385, 400, 420, 440, 462, 525, 528, 550, 560, 600, 616, 626, 660, 700, 770, 825, 840, 880, 924, 939, 1050, 1100, 1155, 1200, 1232, 1252, 1320, 1400, 1540, 1565, 1650, 1680, 1848, 1878, 1925, 2100, 2191, 2200, 2310, 2504, 2640, 2800, 3080, 3130, 3300, 3443, 3696, 3756, 3850, 4200, 4382, 4400, 4620, 4695, 5008, 5775, 6160, 6260, 6573, 6600, 6886, 7512, 7700, 7825, 8400, 8764, 9240, 9390, 10329, 10955, 11550, 12520, 13146, 13200, 13772, 15024, 15400, 15650, 17215, 17528, 18480, 18780, 20658, 21910, 23100, 23475, 24101, 25040, 26292, 27544, 30800, 31300, 32865, 34430, 35056, 37560, 41316, 43820, 46200, 46950, 48202, 51645, 52584, 54775, 55088, 62600, 65730, 68860, 72303, 75120, 82632, 86075, 87640, 92400, 93900, 96404, 103290, 105168, 109550, 120505, 125200, 131460, 137720, 144606, 164325, 165264, 172150, 175280, 187800, 192808, 206580, 219100, 241010, 258225, 262920, 275440, 289212, 328650, 344300, 361515, 375600, 385616, 413160, 438200, 482020, 516450, 525840, 578424, 602525, 657300, 688600, 723030, 826320, 876400, 964040, 1032900, 1156848, 1205050, 1314600, 1377200, 1446060, 1807575, 1928080, 2065800, 2410100, 2629200, 2892120, 3615150, 4131600, 4820200, 5784240, 7230300, 9640400, 14460600, 28921200]

約数ペア:

[(1, 28921200), (2, 14460600), (3, 9640400), (4, 7230300), (5, 5784240), (6, 4820200), (7, 4131600), (8, 3615150), (10, 2892120), (11, 2629200), (12, 2410100), (14, 2065800), (15, 1928080), (16, 1807575), (20, 1446060), (21, 1377200), (22, 1314600), (24, 1205050), (25, 1156848), (28, 1032900), (30, 964040), (33, 876400), (35, 826320), (40, 723030), (42, 688600), (44, 657300), (48, 602525), (50, 578424), (55, 525840), (56, 516450), (60, 482020), (66, 438200), (70, 413160), (75, 385616), (77, 375600), (80, 361515), (84, 344300), (88, 328650), (100, 289212), (105, 275440), (110, 262920), (112, 258225), (120, 241010), (132, 219100), (140, 206580), (150, 192808), (154, 187800), (165, 175280), (168, 172150), (175, 165264), (176, 164325), (200, 144606), (210, 137720), (220, 131460), (231, 125200), (240, 120505), (264, 109550), (275, 105168), (280, 103290), (300, 96404), (308, 93900), (313, 92400), (330, 87640), (336, 86075), (350, 82632), (385, 75120), (400, 72303), (420, 68860), (440, 65730), (462, 62600), (525, 55088), (528, 54775), (550, 52584), (560, 51645), (600, 48202), (616, 46950), (626, 46200), (660, 43820), (700, 41316), (770, 37560), (825, 35056), (840, 34430), (880, 32865), (924, 31300), (939, 30800), (1050, 27544), (1100, 26292), (1155, 25040), (1200, 24101), (1232, 23475), (1252, 23100), (1320, 21910), (1400, 20658), (1540, 18780), (1565, 18480), (1650, 17528), (1680, 17215), (1848, 15650), (1878, 15400), (1925, 15024), (2100, 13772), (2191, 13200), (2200, 13146), (2310, 12520), (2504, 11550), (2640, 10955), (2800, 10329), (3080, 9390), (3130, 9240), (3300, 8764), (3443, 8400), (3696, 7825), (3756, 7700), (3850, 7512), (4200, 6886), (4382, 6600), (4400, 6573), (4620, 6260), (4695, 6160), (5008, 5775)]