281370240

素因数分解:

$2^7\times 3^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{857}}^1$

素因数の和:904

約数の個数: 256

約数和(自身を含む): 1050192000

約数和(自身を除く): 768821760

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, 64, 72, 76, 80, 90, 95, 96, 108, 114, 120, 128, 135, 144, 152, 160, 171, 180, 190, 192, 216, 228, 240, 270, 285, 288, 304, 320, 342, 360, 380, 384, 432, 456, 480, 513, 540, 570, 576, 608, 640, 684, 720, 760, 855, 857, 864, 912, 960, 1026, 1080, 1140, 1152, 1216, 1368, 1440, 1520, 1710, 1714, 1728, 1824, 1920, 2052, 2160, 2280, 2432, 2565, 2571, 2736, 2880, 3040, 3420, 3428, 3456, 3648, 4104, 4285, 4320, 4560, 5130, 5142, 5472, 5760, 6080, 6840, 6856, 7296, 7713, 8208, 8570, 8640, 9120, 10260, 10284, 10944, 12160, 12855, 13680, 13712, 15426, 16283, 16416, 17140, 17280, 18240, 20520, 20568, 21888, 23139, 25710, 27360, 27424, 30852, 32566, 32832, 34280, 36480, 38565, 41040, 41136, 46278, 48849, 51420, 54720, 54848, 61704, 65132, 65664, 68560, 77130, 81415, 82080, 82272, 92556, 97698, 102840, 109440, 109696, 115695, 123408, 130264, 137120, 146547, 154260, 162830, 164160, 164544, 185112, 195396, 205680, 231390, 244245, 246816, 260528, 274240, 293094, 308520, 325660, 328320, 329088, 370224, 390792, 411360, 439641, 462780, 488490, 493632, 521056, 548480, 586188, 617040, 651320, 732735, 740448, 781584, 822720, 879282, 925560, 976980, 987264, 1042112, 1172376, 1234080, 1302640, 1465470, 1480896, 1563168, 1645440, 1758564, 1851120, 1953960, 2084224, 2198205, 2344752, 2468160, 2605280, 2930940, 2961792, 3126336, 3517128, 3702240, 3907920, 4396410, 4689504, 4936320, 5210560, 5861880, 6252672, 7034256, 7404480, 7815840, 8792820, 9379008, 10421120, 11723760, 14068512, 14808960, 15631680, 17585640, 18758016, 23447520, 28137024, 31263360, 35171280, 46895040, 56274048, 70342560, 93790080, 140685120, 281370240]

約数ペア:

[(1, 281370240), (2, 140685120), (3, 93790080), (4, 70342560), (5, 56274048), (6, 46895040), (8, 35171280), (9, 31263360), (10, 28137024), (12, 23447520), (15, 18758016), (16, 17585640), (18, 15631680), (19, 14808960), (20, 14068512), (24, 11723760), (27, 10421120), (30, 9379008), (32, 8792820), (36, 7815840), (38, 7404480), (40, 7034256), (45, 6252672), (48, 5861880), (54, 5210560), (57, 4936320), (60, 4689504), (64, 4396410), (72, 3907920), (76, 3702240), (80, 3517128), (90, 3126336), (95, 2961792), (96, 2930940), (108, 2605280), (114, 2468160), (120, 2344752), (128, 2198205), (135, 2084224), (144, 1953960), (152, 1851120), (160, 1758564), (171, 1645440), (180, 1563168), (190, 1480896), (192, 1465470), (216, 1302640), (228, 1234080), (240, 1172376), (270, 1042112), (285, 987264), (288, 976980), (304, 925560), (320, 879282), (342, 822720), (360, 781584), (380, 740448), (384, 732735), (432, 651320), (456, 617040), (480, 586188), (513, 548480), (540, 521056), (570, 493632), (576, 488490), (608, 462780), (640, 439641), (684, 411360), (720, 390792), (760, 370224), (855, 329088), (857, 328320), (864, 325660), (912, 308520), (960, 293094), (1026, 274240), (1080, 260528), (1140, 246816), (1152, 244245), (1216, 231390), (1368, 205680), (1440, 195396), (1520, 185112), (1710, 164544), (1714, 164160), (1728, 162830), (1824, 154260), (1920, 146547), (2052, 137120), (2160, 130264), (2280, 123408), (2432, 115695), (2565, 109696), (2571, 109440), (2736, 102840), (2880, 97698), (3040, 92556), (3420, 82272), (3428, 82080), (3456, 81415), (3648, 77130), (4104, 68560), (4285, 65664), (4320, 65132), (4560, 61704), (5130, 54848), (5142, 54720), (5472, 51420), (5760, 48849), (6080, 46278), (6840, 41136), (6856, 41040), (7296, 38565), (7713, 36480), (8208, 34280), (8570, 32832), (8640, 32566), (9120, 30852), (10260, 27424), (10284, 27360), (10944, 25710), (12160, 23139), (12855, 21888), (13680, 20568), (13712, 20520), (15426, 18240), (16283, 17280), (16416, 17140)]