1815691080

素因数分解:

$2^3\times 3^1\times 5^1\times 7^3\times {\mathrm{31}}^1\times {\mathrm{1423}}^1$

素因数の和:1489

約数の個数: 256

約数和(自身を含む): 6561792000

約数和(自身を除く): 4746100920

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 31, 35, 40, 42, 49, 56, 60, 62, 70, 84, 93, 98, 105, 120, 124, 140, 147, 155, 168, 186, 196, 210, 217, 245, 248, 280, 294, 310, 343, 372, 392, 420, 434, 465, 490, 588, 620, 651, 686, 735, 744, 840, 868, 930, 980, 1029, 1085, 1176, 1240, 1302, 1372, 1423, 1470, 1519, 1715, 1736, 1860, 1960, 2058, 2170, 2604, 2744, 2846, 2940, 3038, 3255, 3430, 3720, 4116, 4269, 4340, 4557, 5145, 5208, 5692, 5880, 6076, 6510, 6860, 7115, 7595, 8232, 8538, 8680, 9114, 9961, 10290, 10633, 11384, 12152, 13020, 13720, 14230, 15190, 17076, 18228, 19922, 20580, 21266, 21345, 22785, 26040, 28460, 29883, 30380, 31899, 34152, 36456, 39844, 41160, 42532, 42690, 44113, 45570, 49805, 53165, 56920, 59766, 60760, 63798, 69727, 79688, 85064, 85380, 88226, 91140, 99610, 106330, 119532, 127596, 132339, 139454, 149415, 159495, 170760, 176452, 182280, 199220, 209181, 212660, 220565, 239064, 255192, 264678, 278908, 298830, 308791, 318990, 348635, 352904, 398440, 418362, 425320, 441130, 488089, 529356, 557816, 597660, 617582, 637980, 661695, 697270, 836724, 882260, 926373, 976178, 1045905, 1058712, 1195320, 1235164, 1275960, 1323390, 1394540, 1464267, 1543955, 1673448, 1764520, 1852746, 1952356, 2091810, 2161537, 2440445, 2470328, 2646780, 2789080, 2928534, 3087910, 3705492, 3904712, 4183620, 4323074, 4631865, 4880890, 5293560, 5857068, 6175820, 6484611, 7321335, 7410984, 8367240, 8646148, 9263730, 9761780, 10807685, 11714136, 12351640, 12969222, 14642670, 15130759, 17292296, 18527460, 19523560, 21615370, 25938444, 29285340, 30261518, 32423055, 37054920, 43230740, 45392277, 51876888, 58570680, 60523036, 64846110, 75653795, 86461480, 90784554, 121046072, 129692220, 151307590, 181569108, 226961385, 259384440, 302615180, 363138216, 453922770, 605230360, 907845540, 1815691080]

約数ペア:

[(1, 1815691080), (2, 907845540), (3, 605230360), (4, 453922770), (5, 363138216), (6, 302615180), (7, 259384440), (8, 226961385), (10, 181569108), (12, 151307590), (14, 129692220), (15, 121046072), (20, 90784554), (21, 86461480), (24, 75653795), (28, 64846110), (30, 60523036), (31, 58570680), (35, 51876888), (40, 45392277), (42, 43230740), (49, 37054920), (56, 32423055), (60, 30261518), (62, 29285340), (70, 25938444), (84, 21615370), (93, 19523560), (98, 18527460), (105, 17292296), (120, 15130759), (124, 14642670), (140, 12969222), (147, 12351640), (155, 11714136), (168, 10807685), (186, 9761780), (196, 9263730), (210, 8646148), (217, 8367240), (245, 7410984), (248, 7321335), (280, 6484611), (294, 6175820), (310, 5857068), (343, 5293560), (372, 4880890), (392, 4631865), (420, 4323074), (434, 4183620), (465, 3904712), (490, 3705492), (588, 3087910), (620, 2928534), (651, 2789080), (686, 2646780), (735, 2470328), (744, 2440445), (840, 2161537), (868, 2091810), (930, 1952356), (980, 1852746), (1029, 1764520), (1085, 1673448), (1176, 1543955), (1240, 1464267), (1302, 1394540), (1372, 1323390), (1423, 1275960), (1470, 1235164), (1519, 1195320), (1715, 1058712), (1736, 1045905), (1860, 976178), (1960, 926373), (2058, 882260), (2170, 836724), (2604, 697270), (2744, 661695), (2846, 637980), (2940, 617582), (3038, 597660), (3255, 557816), (3430, 529356), (3720, 488089), (4116, 441130), (4269, 425320), (4340, 418362), (4557, 398440), (5145, 352904), (5208, 348635), (5692, 318990), (5880, 308791), (6076, 298830), (6510, 278908), (6860, 264678), (7115, 255192), (7595, 239064), (8232, 220565), (8538, 212660), (8680, 209181), (9114, 199220), (9961, 182280), (10290, 176452), (10633, 170760), (11384, 159495), (12152, 149415), (13020, 139454), (13720, 132339), (14230, 127596), (15190, 119532), (17076, 106330), (18228, 99610), (19922, 91140), (20580, 88226), (21266, 85380), (21345, 85064), (22785, 79688), (26040, 69727), (28460, 63798), (29883, 60760), (30380, 59766), (31899, 56920), (34152, 53165), (36456, 49805), (39844, 45570), (41160, 44113), (42532, 42690)]