19990005120

素因数分解:

$2^7\times 3^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{26903}}^1$

素因数の和:26974

約数の個数: 256

約数和(自身を含む): 72447091200

約数和(自身を除く): 52457086080

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 40, 43, 45, 48, 54, 60, 64, 72, 80, 86, 90, 96, 108, 120, 128, 129, 135, 144, 160, 172, 180, 192, 215, 216, 240, 258, 270, 288, 320, 344, 360, 384, 387, 430, 432, 480, 516, 540, 576, 640, 645, 688, 720, 774, 860, 864, 960, 1032, 1080, 1152, 1161, 1290, 1376, 1440, 1548, 1720, 1728, 1920, 1935, 2064, 2160, 2322, 2580, 2752, 2880, 3096, 3440, 3456, 3870, 4128, 4320, 4644, 5160, 5504, 5760, 5805, 6192, 6880, 7740, 8256, 8640, 9288, 10320, 11610, 12384, 13760, 15480, 16512, 17280, 18576, 20640, 23220, 24768, 26903, 27520, 30960, 37152, 41280, 46440, 49536, 53806, 61920, 74304, 80709, 82560, 92880, 107612, 123840, 134515, 148608, 161418, 185760, 215224, 242127, 247680, 269030, 322836, 371520, 403545, 430448, 484254, 538060, 645672, 726381, 743040, 807090, 860896, 968508, 1076120, 1156829, 1210635, 1291344, 1452762, 1614180, 1721792, 1937016, 2152240, 2313658, 2421270, 2582688, 2905524, 3228360, 3443584, 3470487, 3631905, 3874032, 4304480, 4627316, 4842540, 5165376, 5784145, 5811048, 6456720, 6940974, 7263810, 7748064, 8608960, 9254632, 9685080, 10330752, 10411461, 11568290, 11622096, 12913440, 13881948, 14527620, 15496128, 17217920, 17352435, 18509264, 19370160, 20822922, 23136580, 23244192, 25826880, 27763896, 29055240, 30992256, 31234383, 34704870, 37018528, 38740320, 41645844, 46273160, 46488384, 51653760, 52057305, 55527792, 58110480, 62468766, 69409740, 74037056, 77480640, 83291688, 92546320, 92976768, 104114610, 111055584, 116220960, 124937532, 138819480, 148074112, 154961280, 156171915, 166583376, 185092640, 208229220, 222111168, 232441920, 249875064, 277638960, 312343830, 333166752, 370185280, 416458440, 444222336, 464883840, 499750128, 555277920, 624687660, 666333504, 740370560, 832916880, 999500256, 1110555840, 1249375320, 1332667008, 1665833760, 1999000512, 2221111680, 2498750640, 3331667520, 3998001024, 4997501280, 6663335040, 9995002560, 19990005120]

約数ペア:

[(1, 19990005120), (2, 9995002560), (3, 6663335040), (4, 4997501280), (5, 3998001024), (6, 3331667520), (8, 2498750640), (9, 2221111680), (10, 1999000512), (12, 1665833760), (15, 1332667008), (16, 1249375320), (18, 1110555840), (20, 999500256), (24, 832916880), (27, 740370560), (30, 666333504), (32, 624687660), (36, 555277920), (40, 499750128), (43, 464883840), (45, 444222336), (48, 416458440), (54, 370185280), (60, 333166752), (64, 312343830), (72, 277638960), (80, 249875064), (86, 232441920), (90, 222111168), (96, 208229220), (108, 185092640), (120, 166583376), (128, 156171915), (129, 154961280), (135, 148074112), (144, 138819480), (160, 124937532), (172, 116220960), (180, 111055584), (192, 104114610), (215, 92976768), (216, 92546320), (240, 83291688), (258, 77480640), (270, 74037056), (288, 69409740), (320, 62468766), (344, 58110480), (360, 55527792), (384, 52057305), (387, 51653760), (430, 46488384), (432, 46273160), (480, 41645844), (516, 38740320), (540, 37018528), (576, 34704870), (640, 31234383), (645, 30992256), (688, 29055240), (720, 27763896), (774, 25826880), (860, 23244192), (864, 23136580), (960, 20822922), (1032, 19370160), (1080, 18509264), (1152, 17352435), (1161, 17217920), (1290, 15496128), (1376, 14527620), (1440, 13881948), (1548, 12913440), (1720, 11622096), (1728, 11568290), (1920, 10411461), (1935, 10330752), (2064, 9685080), (2160, 9254632), (2322, 8608960), (2580, 7748064), (2752, 7263810), (2880, 6940974), (3096, 6456720), (3440, 5811048), (3456, 5784145), (3870, 5165376), (4128, 4842540), (4320, 4627316), (4644, 4304480), (5160, 3874032), (5504, 3631905), (5760, 3470487), (5805, 3443584), (6192, 3228360), (6880, 2905524), (7740, 2582688), (8256, 2421270), (8640, 2313658), (9288, 2152240), (10320, 1937016), (11610, 1721792), (12384, 1614180), (13760, 1452762), (15480, 1291344), (16512, 1210635), (17280, 1156829), (18576, 1076120), (20640, 968508), (23220, 860896), (24768, 807090), (26903, 743040), (27520, 726381), (30960, 645672), (37152, 538060), (41280, 484254), (46440, 430448), (49536, 403545), (53806, 371520), (61920, 322836), (74304, 269030), (80709, 247680), (82560, 242127), (92880, 215224), (107612, 185760), (123840, 161418), (134515, 148608)]