19911318240

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{331}}^1\times {\mathrm{11393}}^1$

素因数の和:11753

約数の個数: 192

約数和(自身を含む): 68635268352

約数和(自身を除く): 48723950112

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 16, 20, 22, 24, 30, 32, 33, 40, 44, 48, 55, 60, 66, 80, 88, 96, 110, 120, 132, 160, 165, 176, 220, 240, 264, 330, 331, 352, 440, 480, 528, 660, 662, 880, 993, 1056, 1320, 1324, 1655, 1760, 1986, 2640, 2648, 3310, 3641, 3972, 4965, 5280, 5296, 6620, 7282, 7944, 9930, 10592, 10923, 11393, 13240, 14564, 15888, 18205, 19860, 21846, 22786, 26480, 29128, 31776, 34179, 36410, 39720, 43692, 45572, 52960, 54615, 56965, 58256, 68358, 72820, 79440, 87384, 91144, 109230, 113930, 116512, 125323, 136716, 145640, 158880, 170895, 174768, 182288, 218460, 227860, 250646, 273432, 291280, 341790, 349536, 364576, 375969, 436920, 455720, 501292, 546864, 582560, 626615, 683580, 751938, 873840, 911440, 1002584, 1093728, 1253230, 1367160, 1503876, 1747680, 1822880, 1879845, 2005168, 2506460, 2734320, 3007752, 3759690, 3771083, 4010336, 5012920, 5468640, 6015504, 7519380, 7542166, 10025840, 11313249, 12031008, 15038760, 15084332, 18855415, 20051680, 22626498, 30077520, 30168664, 37710830, 41481913, 45252996, 56566245, 60155040, 60337328, 75421660, 82963826, 90505992, 113132490, 120674656, 124445739, 150843320, 165927652, 181011984, 207409565, 226264980, 248891478, 301686640, 331855304, 362023968, 414819130, 452529960, 497782956, 603373280, 622228695, 663710608, 829638260, 905059920, 995565912, 1244457390, 1327421216, 1659276520, 1810119840, 1991131824, 2488914780, 3318553040, 3982263648, 4977829560, 6637106080, 9955659120, 19911318240]

約数ペア:

[(1, 19911318240), (2, 9955659120), (3, 6637106080), (4, 4977829560), (5, 3982263648), (6, 3318553040), (8, 2488914780), (10, 1991131824), (11, 1810119840), (12, 1659276520), (15, 1327421216), (16, 1244457390), (20, 995565912), (22, 905059920), (24, 829638260), (30, 663710608), (32, 622228695), (33, 603373280), (40, 497782956), (44, 452529960), (48, 414819130), (55, 362023968), (60, 331855304), (66, 301686640), (80, 248891478), (88, 226264980), (96, 207409565), (110, 181011984), (120, 165927652), (132, 150843320), (160, 124445739), (165, 120674656), (176, 113132490), (220, 90505992), (240, 82963826), (264, 75421660), (330, 60337328), (331, 60155040), (352, 56566245), (440, 45252996), (480, 41481913), (528, 37710830), (660, 30168664), (662, 30077520), (880, 22626498), (993, 20051680), (1056, 18855415), (1320, 15084332), (1324, 15038760), (1655, 12031008), (1760, 11313249), (1986, 10025840), (2640, 7542166), (2648, 7519380), (3310, 6015504), (3641, 5468640), (3972, 5012920), (4965, 4010336), (5280, 3771083), (5296, 3759690), (6620, 3007752), (7282, 2734320), (7944, 2506460), (9930, 2005168), (10592, 1879845), (10923, 1822880), (11393, 1747680), (13240, 1503876), (14564, 1367160), (15888, 1253230), (18205, 1093728), (19860, 1002584), (21846, 911440), (22786, 873840), (26480, 751938), (29128, 683580), (31776, 626615), (34179, 582560), (36410, 546864), (39720, 501292), (43692, 455720), (45572, 436920), (52960, 375969), (54615, 364576), (56965, 349536), (58256, 341790), (68358, 291280), (72820, 273432), (79440, 250646), (87384, 227860), (91144, 218460), (109230, 182288), (113930, 174768), (116512, 170895), (125323, 158880), (136716, 145640)]