About the Number

2121245280

2121245279 ← → 2121245281

2進数表記:1111110011011111010001001100000

漢数字表記:二十一億二千百二十四万五千二百八十

素因数分解:

2 5 × 3 3 × 5 1 × 7 2 × 11 1 × 911 1

素因数の和:960
約数の個数: 576
約数和(自身を含む): 9431976960
約数和(自身を除く): 7310731680

約数列:
[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 14, 15, 16, 18, 20, 21, 22, 24, 27, 28, 30, 32, 33, 35, 36, 40, 42, 44, 45, 48, 49, 54, 55, 56, 60, 63, 66, 70, 72, 77, 80, 84, 88, 90, 96, 98, 99, 105, 108, 110, 112, 120, 126, 132, 135, 140, 144, 147, 154, 160, 165, 168, 176, 180, 189, 196, 198, 210, 216, 220, 224, 231, 240, 245, 252, 264, 270, 280, 288, 294, 297, 308, 315, 330, 336, 352, 360, 378, 385, 392, 396, 420, 432, 440, 441, 462, 480, 490, 495, 504, 528, 539, 540, 560, 588, 594, 616, 630, 660, 672, 693, 720, 735, 756, 770, 784, 792, 840, 864, 880, 882, 911, 924, 945, 980, 990, 1008, 1056, 1078, 1080, 1120, 1155, 1176, 1188, 1232, 1260, 1320, 1323, 1386, 1440, 1470, 1485, 1512, 1540, 1568, 1584, 1617, 1680, 1760, 1764, 1822, 1848, 1890, 1960, 1980, 2016, 2079, 2156, 2160, 2205, 2310, 2352, 2376, 2464, 2520, 2640, 2646, 2695, 2733, 2772, 2940, 2970, 3024, 3080, 3168, 3234, 3360, 3465, 3528, 3644, 3696, 3780, 3920, 3960, 4158, 4312, 4320, 4410, 4555, 4620, 4704, 4752, 4851, 5040, 5280, 5292, 5390, 5466, 5544, 5880, 5940, 6048, 6160, 6377, 6468, 6615, 6930, 7056, 7288, 7392, 7560, 7840, 7920, 8085, 8199, 8316, 8624, 8820, 9110, 9240, 9504, 9702, 10021, 10080, 10395, 10584, 10780, 10932, 11088, 11760, 11880, 12320, 12754, 12936, 13230, 13665, 13860, 14112, 14553, 14576, 15120, 15840, 16170, 16398, 16632, 17248, 17640, 18220, 18480, 19131, 19404, 20042, 20790, 21168, 21560, 21864, 22176, 23520, 23760, 24255, 24597, 25508, 25872, 26460, 27330, 27720, 29106, 29152, 30063, 30240, 31885, 32340, 32796, 33264, 35280, 36440, 36960, 38262, 38808, 40084, 40995, 41580, 42336, 43120, 43728, 44639, 47520, 48510, 49194, 50105, 51016, 51744, 52920, 54660, 55440, 57393, 58212, 60126, 63770, 64680, 65592, 66528, 70147, 70560, 72765, 72880, 76524, 77616, 80168, 81990, 83160, 86240, 87456, 89278, 90189, 95655, 97020, 98388, 100210, 102032, 105840, 109320, 110880, 114786, 116424, 120252, 122985, 127540, 129360, 131184, 133917, 140294, 145530, 145760, 150315, 153048, 155232, 160336, 163980, 166320, 172179, 178556, 180378, 191310, 194040, 196776, 200420, 204064, 210441, 211680, 218640, 223195, 229572, 232848, 240504, 245970, 255080, 258720, 262368, 267834, 270567, 280588, 286965, 291060, 300630, 306096, 320672, 327960, 332640, 344358, 350735, 357112, 360756, 382620, 388080, 393552, 400840, 401751, 420882, 437280, 446390, 450945, 459144, 465696, 481008, 491029, 491940, 510160, 535668, 541134, 561176, 573930, 582120, 601260, 612192, 631323, 655920, 669585, 688716, 701470, 714224, 721512, 765240, 776160, 787104, 801680, 803502, 841764, 860895, 892780, 901890, 918288, 962016, 982058, 983880, 1020320, 1052205, 1071336, 1082268, 1122352, 1147860, 1164240, 1202520, 1205253, 1262646, 1311840, 1339170, 1352835, 1377432, 1402940, 1428448, 1443024, 1473087, 1530480, 1603360, 1607004, 1683528, 1721790, 1785560, 1803780, 1836576, 1893969, 1964116, 1967760, 2008755, 2104410, 2142672, 2164536, 2244704, 2295720, 2328480, 2405040, 2410506, 2455145, 2525292, 2678340, 2705670, 2754864, 2805880, 2886048, 2946174, 3060960, 3156615, 3214008, 3367056, 3443580, 3571120, 3607560, 3787938, 3928232, 3935520, 4017510, 4208820, 4285344, 4329072, 4419261, 4591440, 4810080, 4821012, 4910290, 5050584, 5356680, 5411340, 5509728, 5611760, 5892348, 6026265, 6313230, 6428016, 6734112, 6887160, 7142240, 7215120, 7365435, 7575876, 7856464, 8035020, 8417640, 8658144, 8838522, 9182880, 9469845, 9642024, 9820580, 10101168, 10713360, 10822680, 11223520, 11784696, 12052530, 12626460, 12856032, 13257783, 13774320, 14430240, 14730870, 15151752, 15712928, 16070040, 16835280, 17677044, 18939690, 19284048, 19641160, 20202336, 21426720, 21645360, 22096305, 23569392, 24105060, 25252920, 26515566, 27548640, 29461740, 30303504, 32140080, 33670560, 35354088, 37879380, 38568096, 39282320, 43290720, 44192610, 47138784, 48210120, 50505840, 53031132, 58923480, 60607008, 64280160, 66288915, 70708176, 75758760, 78564640, 88385220, 96420240, 101011680, 106062264, 117846960, 132577830, 141416352, 151517520, 176770440, 192840480, 212124528, 235693920, 265155660, 303035040, 353540880, 424249056, 530311320, 707081760, 1060622640, 2121245280]

約数ペア:
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