20395212480

素因数分解:

$2^6\times 3^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{76147}}^1$

素因数の和:76204

約数の個数: 224

約数和(自身を含む): 74271713280

約数和(自身を除く): 53876500800

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 31, 32, 36, 40, 45, 48, 54, 60, 62, 64, 72, 80, 90, 93, 96, 108, 120, 124, 135, 144, 155, 160, 180, 186, 192, 216, 240, 248, 270, 279, 288, 310, 320, 360, 372, 432, 465, 480, 496, 540, 558, 576, 620, 720, 744, 837, 864, 930, 960, 992, 1080, 1116, 1240, 1395, 1440, 1488, 1674, 1728, 1860, 1984, 2160, 2232, 2480, 2790, 2880, 2976, 3348, 3720, 4185, 4320, 4464, 4960, 5580, 5952, 6696, 7440, 8370, 8640, 8928, 9920, 11160, 13392, 14880, 16740, 17856, 22320, 26784, 29760, 33480, 44640, 53568, 66960, 76147, 89280, 133920, 152294, 228441, 267840, 304588, 380735, 456882, 609176, 685323, 761470, 913764, 1142205, 1218352, 1370646, 1522940, 1827528, 2055969, 2284410, 2360557, 2436704, 2741292, 3045880, 3426615, 3655056, 4111938, 4568820, 4721114, 4873408, 5482584, 6091760, 6853230, 7081671, 7310112, 8223876, 9137640, 9442228, 10279845, 10965168, 11802785, 12183520, 13706460, 14163342, 14620224, 16447752, 18275280, 18884456, 20559690, 21245013, 21930336, 23605570, 24367040, 27412920, 28326684, 32895504, 35408355, 36550560, 37768912, 41119380, 42490026, 43860672, 47211140, 54825840, 56653368, 63735039, 65791008, 70816710, 73101120, 75537824, 82238760, 84980052, 94422280, 106225065, 109651680, 113306736, 127470078, 131582016, 141633420, 151075648, 164477520, 169960104, 188844560, 212450130, 219303360, 226613472, 254940156, 283266840, 318675195, 328955040, 339920208, 377689120, 424900260, 453226944, 509880312, 566533680, 637350390, 657910080, 679840416, 755378240, 849800520, 1019760624, 1133067360, 1274700780, 1359680832, 1699601040, 2039521248, 2266134720, 2549401560, 3399202080, 4079042496, 5098803120, 6798404160, 10197606240, 20395212480]

約数ペア:

[(1, 20395212480), (2, 10197606240), (3, 6798404160), (4, 5098803120), (5, 4079042496), (6, 3399202080), (8, 2549401560), (9, 2266134720), (10, 2039521248), (12, 1699601040), (15, 1359680832), (16, 1274700780), (18, 1133067360), (20, 1019760624), (24, 849800520), (27, 755378240), (30, 679840416), (31, 657910080), (32, 637350390), (36, 566533680), (40, 509880312), (45, 453226944), (48, 424900260), (54, 377689120), (60, 339920208), (62, 328955040), (64, 318675195), (72, 283266840), (80, 254940156), (90, 226613472), (93, 219303360), (96, 212450130), (108, 188844560), (120, 169960104), (124, 164477520), (135, 151075648), (144, 141633420), (155, 131582016), (160, 127470078), (180, 113306736), (186, 109651680), (192, 106225065), (216, 94422280), (240, 84980052), (248, 82238760), (270, 75537824), (279, 73101120), (288, 70816710), (310, 65791008), (320, 63735039), (360, 56653368), (372, 54825840), (432, 47211140), (465, 43860672), (480, 42490026), (496, 41119380), (540, 37768912), (558, 36550560), (576, 35408355), (620, 32895504), (720, 28326684), (744, 27412920), (837, 24367040), (864, 23605570), (930, 21930336), (960, 21245013), (992, 20559690), (1080, 18884456), (1116, 18275280), (1240, 16447752), (1395, 14620224), (1440, 14163342), (1488, 13706460), (1674, 12183520), (1728, 11802785), (1860, 10965168), (1984, 10279845), (2160, 9442228), (2232, 9137640), (2480, 8223876), (2790, 7310112), (2880, 7081671), (2976, 6853230), (3348, 6091760), (3720, 5482584), (4185, 4873408), (4320, 4721114), (4464, 4568820), (4960, 4111938), (5580, 3655056), (5952, 3426615), (6696, 3045880), (7440, 2741292), (8370, 2436704), (8640, 2360557), (8928, 2284410), (9920, 2055969), (11160, 1827528), (13392, 1522940), (14880, 1370646), (16740, 1218352), (17856, 1142205), (22320, 913764), (26784, 761470), (29760, 685323), (33480, 609176), (44640, 456882), (53568, 380735), (66960, 304588), (76147, 267840), (89280, 228441), (133920, 152294)]