20185361280

素因数分解:

$2^7\times 3^2\times 5^1\times 7^1\times {\mathrm{500629}}^1$

素因数の和:500661

約数の個数: 192

約数和(自身を含む): 79660245600

約数和(自身を除く): 59474884320

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 32, 35, 36, 40, 42, 45, 48, 56, 60, 63, 64, 70, 72, 80, 84, 90, 96, 105, 112, 120, 126, 128, 140, 144, 160, 168, 180, 192, 210, 224, 240, 252, 280, 288, 315, 320, 336, 360, 384, 420, 448, 480, 504, 560, 576, 630, 640, 672, 720, 840, 896, 960, 1008, 1120, 1152, 1260, 1344, 1440, 1680, 1920, 2016, 2240, 2520, 2688, 2880, 3360, 4032, 4480, 5040, 5760, 6720, 8064, 10080, 13440, 20160, 40320, 500629, 1001258, 1501887, 2002516, 2503145, 3003774, 3504403, 4005032, 4505661, 5006290, 6007548, 7008806, 7509435, 8010064, 9011322, 10012580, 10513209, 12015096, 14017612, 15018870, 16020128, 17522015, 18022644, 20025160, 21026418, 22528305, 24030192, 28035224, 30037740, 31539627, 32040256, 35044030, 36045288, 40050320, 42052836, 45056610, 48060384, 52566045, 56070448, 60075480, 63079254, 64080512, 70088060, 72090576, 80100640, 84105672, 90113220, 96120768, 105132090, 112140896, 120150960, 126158508, 140176120, 144181152, 157698135, 160201280, 168211344, 180226440, 192241536, 210264180, 224281792, 240301920, 252317016, 280352240, 288362304, 315396270, 320402560, 336422688, 360452880, 420528360, 448563584, 480603840, 504634032, 560704480, 576724608, 630792540, 672845376, 720905760, 841056720, 961207680, 1009268064, 1121408960, 1261585080, 1345690752, 1441811520, 1682113440, 2018536128, 2242817920, 2523170160, 2883623040, 3364226880, 4037072256, 5046340320, 6728453760, 10092680640, 20185361280]

約数ペア:

[(1, 20185361280), (2, 10092680640), (3, 6728453760), (4, 5046340320), (5, 4037072256), (6, 3364226880), (7, 2883623040), (8, 2523170160), (9, 2242817920), (10, 2018536128), (12, 1682113440), (14, 1441811520), (15, 1345690752), (16, 1261585080), (18, 1121408960), (20, 1009268064), (21, 961207680), (24, 841056720), (28, 720905760), (30, 672845376), (32, 630792540), (35, 576724608), (36, 560704480), (40, 504634032), (42, 480603840), (45, 448563584), (48, 420528360), (56, 360452880), (60, 336422688), (63, 320402560), (64, 315396270), (70, 288362304), (72, 280352240), (80, 252317016), (84, 240301920), (90, 224281792), (96, 210264180), (105, 192241536), (112, 180226440), (120, 168211344), (126, 160201280), (128, 157698135), (140, 144181152), (144, 140176120), (160, 126158508), (168, 120150960), (180, 112140896), (192, 105132090), (210, 96120768), (224, 90113220), (240, 84105672), (252, 80100640), (280, 72090576), (288, 70088060), (315, 64080512), (320, 63079254), (336, 60075480), (360, 56070448), (384, 52566045), (420, 48060384), (448, 45056610), (480, 42052836), (504, 40050320), (560, 36045288), (576, 35044030), (630, 32040256), (640, 31539627), (672, 30037740), (720, 28035224), (840, 24030192), (896, 22528305), (960, 21026418), (1008, 20025160), (1120, 18022644), (1152, 17522015), (1260, 16020128), (1344, 15018870), (1440, 14017612), (1680, 12015096), (1920, 10513209), (2016, 10012580), (2240, 9011322), (2520, 8010064), (2688, 7509435), (2880, 7008806), (3360, 6007548), (4032, 5006290), (4480, 4505661), (5040, 4005032), (5760, 3504403), (6720, 3003774), (8064, 2503145), (10080, 2002516), (13440, 1501887), (20160, 1001258), (40320, 500629)]