21220698840

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{797}}^1\times {\mathrm{877}}^1$

素因数の和:1722

約数の個数: 256

約数和(自身を含む): 72642769920

約数和(自身を除く): 51422071080

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 20, 22, 23, 24, 30, 33, 40, 44, 46, 55, 60, 66, 69, 88, 92, 110, 115, 120, 132, 138, 165, 184, 220, 230, 253, 264, 276, 330, 345, 440, 460, 506, 552, 660, 690, 759, 797, 877, 920, 1012, 1265, 1320, 1380, 1518, 1594, 1754, 2024, 2391, 2530, 2631, 2760, 3036, 3188, 3508, 3795, 3985, 4385, 4782, 5060, 5262, 6072, 6376, 7016, 7590, 7970, 8767, 8770, 9564, 9647, 10120, 10524, 11955, 13155, 15180, 15940, 17534, 17540, 18331, 19128, 19294, 20171, 21048, 23910, 26301, 26310, 28941, 30360, 31880, 35068, 35080, 36662, 38588, 40342, 43835, 47820, 48235, 52602, 52620, 54993, 57882, 60513, 70136, 73324, 77176, 80684, 87670, 91655, 95640, 96470, 100855, 105204, 105240, 109986, 115764, 121026, 131505, 144705, 146648, 161368, 175340, 183310, 192940, 201641, 201710, 210408, 219972, 221881, 231528, 242052, 263010, 274965, 289410, 302565, 350680, 366620, 385880, 403282, 403420, 439944, 443762, 484104, 526020, 549930, 578820, 604923, 605130, 665643, 698969, 733240, 806564, 806840, 887524, 1008205, 1052040, 1099860, 1109405, 1157640, 1209846, 1210260, 1331286, 1397938, 1613128, 1775048, 2016410, 2096907, 2199720, 2218810, 2419692, 2420520, 2662572, 2795876, 3024615, 3328215, 3494845, 4032820, 4193814, 4437620, 4839384, 5325144, 5591752, 6049230, 6656430, 6989690, 7688659, 8065640, 8387628, 8875240, 10484535, 12098460, 13312860, 13979380, 15377318, 16076287, 16775256, 20969070, 23065977, 24196920, 26625720, 27958760, 30754636, 32152574, 38443295, 41938140, 46131954, 48228861, 61509272, 64305148, 76886590, 80381435, 83876280, 92263908, 96457722, 115329885, 128610296, 153773180, 160762870, 176839157, 184527816, 192915444, 230659770, 241144305, 307546360, 321525740, 353678314, 385830888, 461319540, 482288610, 530517471, 643051480, 707356628, 884195785, 922639080, 964577220, 1061034942, 1414713256, 1768391570, 1929154440, 2122069884, 2652587355, 3536783140, 4244139768, 5305174710, 7073566280, 10610349420, 21220698840]

約数ペア:

[(1, 21220698840), (2, 10610349420), (3, 7073566280), (4, 5305174710), (5, 4244139768), (6, 3536783140), (8, 2652587355), (10, 2122069884), (11, 1929154440), (12, 1768391570), (15, 1414713256), (20, 1061034942), (22, 964577220), (23, 922639080), (24, 884195785), (30, 707356628), (33, 643051480), (40, 530517471), (44, 482288610), (46, 461319540), (55, 385830888), (60, 353678314), (66, 321525740), (69, 307546360), (88, 241144305), (92, 230659770), (110, 192915444), (115, 184527816), (120, 176839157), (132, 160762870), (138, 153773180), (165, 128610296), (184, 115329885), (220, 96457722), (230, 92263908), (253, 83876280), (264, 80381435), (276, 76886590), (330, 64305148), (345, 61509272), (440, 48228861), (460, 46131954), (506, 41938140), (552, 38443295), (660, 32152574), (690, 30754636), (759, 27958760), (797, 26625720), (877, 24196920), (920, 23065977), (1012, 20969070), (1265, 16775256), (1320, 16076287), (1380, 15377318), (1518, 13979380), (1594, 13312860), (1754, 12098460), (2024, 10484535), (2391, 8875240), (2530, 8387628), (2631, 8065640), (2760, 7688659), (3036, 6989690), (3188, 6656430), (3508, 6049230), (3795, 5591752), (3985, 5325144), (4385, 4839384), (4782, 4437620), (5060, 4193814), (5262, 4032820), (6072, 3494845), (6376, 3328215), (7016, 3024615), (7590, 2795876), (7970, 2662572), (8767, 2420520), (8770, 2419692), (9564, 2218810), (9647, 2199720), (10120, 2096907), (10524, 2016410), (11955, 1775048), (13155, 1613128), (15180, 1397938), (15940, 1331286), (17534, 1210260), (17540, 1209846), (18331, 1157640), (19128, 1109405), (19294, 1099860), (20171, 1052040), (21048, 1008205), (23910, 887524), (26301, 806840), (26310, 806564), (28941, 733240), (30360, 698969), (31880, 665643), (35068, 605130), (35080, 604923), (36662, 578820), (38588, 549930), (40342, 526020), (43835, 484104), (47820, 443762), (48235, 439944), (52602, 403420), (52620, 403282), (54993, 385880), (57882, 366620), (60513, 350680), (70136, 302565), (73324, 289410), (77176, 274965), (80684, 263010), (87670, 242052), (91655, 231528), (95640, 221881), (96470, 219972), (100855, 210408), (105204, 201710), (105240, 201641), (109986, 192940), (115764, 183310), (121026, 175340), (131505, 161368), (144705, 146648)]