56655720

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{251}}^1$

素因数の和:301

約数の個数: 256

約数和(自身を含む): 217728000

約数和(自身を除く): 161072280

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 18, 19, 20, 22, 24, 27, 30, 33, 36, 38, 40, 44, 45, 54, 55, 57, 60, 66, 72, 76, 88, 90, 95, 99, 108, 110, 114, 120, 132, 135, 152, 165, 171, 180, 190, 198, 209, 216, 220, 228, 251, 264, 270, 285, 297, 330, 342, 360, 380, 396, 418, 440, 456, 495, 502, 513, 540, 570, 594, 627, 660, 684, 753, 760, 792, 836, 855, 990, 1004, 1026, 1045, 1080, 1140, 1188, 1254, 1255, 1320, 1368, 1485, 1506, 1672, 1710, 1881, 1980, 2008, 2052, 2090, 2259, 2280, 2376, 2508, 2510, 2565, 2761, 2970, 3012, 3135, 3420, 3762, 3765, 3960, 4104, 4180, 4518, 4769, 5016, 5020, 5130, 5522, 5643, 5940, 6024, 6270, 6777, 6840, 7524, 7530, 8283, 8360, 9036, 9405, 9538, 10040, 10260, 11044, 11286, 11295, 11880, 12540, 13554, 13805, 14307, 15048, 15060, 16566, 18072, 18810, 19076, 20520, 22088, 22572, 22590, 23845, 24849, 25080, 27108, 27610, 28215, 28614, 30120, 33132, 33885, 37620, 38152, 41415, 42921, 45144, 45180, 47690, 49698, 52459, 54216, 55220, 56430, 57228, 66264, 67770, 71535, 74547, 75240, 82830, 85842, 90360, 95380, 99396, 104918, 110440, 112860, 114456, 124245, 128763, 135540, 143070, 149094, 157377, 165660, 171684, 190760, 198792, 209836, 214605, 225720, 248490, 257526, 262295, 271080, 286140, 298188, 314754, 331320, 343368, 372735, 419672, 429210, 472131, 496980, 515052, 524590, 572280, 596376, 629508, 643815, 745470, 786885, 858420, 944262, 993960, 1030104, 1049180, 1259016, 1287630, 1416393, 1490940, 1573770, 1716840, 1888524, 2098360, 2360655, 2575260, 2832786, 2981880, 3147540, 3777048, 4721310, 5150520, 5665572, 6295080, 7081965, 9442620, 11331144, 14163930, 18885240, 28327860, 56655720]

約数ペア:

[(1, 56655720), (2, 28327860), (3, 18885240), (4, 14163930), (5, 11331144), (6, 9442620), (8, 7081965), (9, 6295080), (10, 5665572), (11, 5150520), (12, 4721310), (15, 3777048), (18, 3147540), (19, 2981880), (20, 2832786), (22, 2575260), (24, 2360655), (27, 2098360), (30, 1888524), (33, 1716840), (36, 1573770), (38, 1490940), (40, 1416393), (44, 1287630), (45, 1259016), (54, 1049180), (55, 1030104), (57, 993960), (60, 944262), (66, 858420), (72, 786885), (76, 745470), (88, 643815), (90, 629508), (95, 596376), (99, 572280), (108, 524590), (110, 515052), (114, 496980), (120, 472131), (132, 429210), (135, 419672), (152, 372735), (165, 343368), (171, 331320), (180, 314754), (190, 298188), (198, 286140), (209, 271080), (216, 262295), (220, 257526), (228, 248490), (251, 225720), (264, 214605), (270, 209836), (285, 198792), (297, 190760), (330, 171684), (342, 165660), (360, 157377), (380, 149094), (396, 143070), (418, 135540), (440, 128763), (456, 124245), (495, 114456), (502, 112860), (513, 110440), (540, 104918), (570, 99396), (594, 95380), (627, 90360), (660, 85842), (684, 82830), (753, 75240), (760, 74547), (792, 71535), (836, 67770), (855, 66264), (990, 57228), (1004, 56430), (1026, 55220), (1045, 54216), (1080, 52459), (1140, 49698), (1188, 47690), (1254, 45180), (1255, 45144), (1320, 42921), (1368, 41415), (1485, 38152), (1506, 37620), (1672, 33885), (1710, 33132), (1881, 30120), (1980, 28614), (2008, 28215), (2052, 27610), (2090, 27108), (2259, 25080), (2280, 24849), (2376, 23845), (2508, 22590), (2510, 22572), (2565, 22088), (2761, 20520), (2970, 19076), (3012, 18810), (3135, 18072), (3420, 16566), (3762, 15060), (3765, 15048), (3960, 14307), (4104, 13805), (4180, 13554), (4518, 12540), (4769, 11880), (5016, 11295), (5020, 11286), (5130, 11044), (5522, 10260), (5643, 10040), (5940, 9538), (6024, 9405), (6270, 9036), (6777, 8360), (6840, 8283), (7524, 7530)]