20187372240

素因数分解:

$2^4\times 3^2\times 5^1\times 7^1\times {\mathrm{331}}^1\times {\mathrm{12101}}^1$

素因数の和:12458

約数の個数: 240

約数和(自身を含む): 77721561216

約数和(自身を除く): 57534188976

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 48, 56, 60, 63, 70, 72, 80, 84, 90, 105, 112, 120, 126, 140, 144, 168, 180, 210, 240, 252, 280, 315, 331, 336, 360, 420, 504, 560, 630, 662, 720, 840, 993, 1008, 1260, 1324, 1655, 1680, 1986, 2317, 2520, 2648, 2979, 3310, 3972, 4634, 4965, 5040, 5296, 5958, 6620, 6951, 7944, 9268, 9930, 11585, 11916, 12101, 13240, 13902, 14895, 15888, 18536, 19860, 20853, 23170, 23832, 24202, 26480, 27804, 29790, 34755, 36303, 37072, 39720, 41706, 46340, 47664, 48404, 55608, 59580, 60505, 69510, 72606, 79440, 83412, 84707, 92680, 96808, 104265, 108909, 111216, 119160, 121010, 139020, 145212, 166824, 169414, 181515, 185360, 193616, 208530, 217818, 238320, 242020, 254121, 278040, 290424, 333648, 338828, 363030, 417060, 423535, 435636, 484040, 508242, 544545, 556080, 580848, 677656, 726060, 762363, 834120, 847070, 871272, 968080, 1016484, 1089090, 1270605, 1355312, 1452120, 1524726, 1668240, 1694140, 1742544, 2032968, 2178180, 2541210, 2904240, 3049452, 3388280, 3811815, 4005431, 4065936, 4356360, 5082420, 6098904, 6776560, 7623630, 8010862, 8712720, 10164840, 12016293, 12197808, 15247260, 16021724, 20027155, 20329680, 24032586, 28038017, 30494520, 32043448, 36048879, 40054310, 48065172, 56076034, 60081465, 60989040, 64086896, 72097758, 80108620, 84114051, 96130344, 112152068, 120162930, 140190085, 144195516, 160217240, 168228102, 180244395, 192260688, 224304136, 240325860, 252342153, 280380170, 288391032, 320434480, 336456204, 360488790, 420570255, 448608272, 480651720, 504684306, 560760340, 576782064, 672912408, 720977580, 841140510, 961303440, 1009368612, 1121520680, 1261710765, 1345824816, 1441955160, 1682281020, 2018737224, 2243041360, 2523421530, 2883910320, 3364562040, 4037474448, 5046843060, 6729124080, 10093686120, 20187372240]

約数ペア:

[(1, 20187372240), (2, 10093686120), (3, 6729124080), (4, 5046843060), (5, 4037474448), (6, 3364562040), (7, 2883910320), (8, 2523421530), (9, 2243041360), (10, 2018737224), (12, 1682281020), (14, 1441955160), (15, 1345824816), (16, 1261710765), (18, 1121520680), (20, 1009368612), (21, 961303440), (24, 841140510), (28, 720977580), (30, 672912408), (35, 576782064), (36, 560760340), (40, 504684306), (42, 480651720), (45, 448608272), (48, 420570255), (56, 360488790), (60, 336456204), (63, 320434480), (70, 288391032), (72, 280380170), (80, 252342153), (84, 240325860), (90, 224304136), (105, 192260688), (112, 180244395), (120, 168228102), (126, 160217240), (140, 144195516), (144, 140190085), (168, 120162930), (180, 112152068), (210, 96130344), (240, 84114051), (252, 80108620), (280, 72097758), (315, 64086896), (331, 60989040), (336, 60081465), (360, 56076034), (420, 48065172), (504, 40054310), (560, 36048879), (630, 32043448), (662, 30494520), (720, 28038017), (840, 24032586), (993, 20329680), (1008, 20027155), (1260, 16021724), (1324, 15247260), (1655, 12197808), (1680, 12016293), (1986, 10164840), (2317, 8712720), (2520, 8010862), (2648, 7623630), (2979, 6776560), (3310, 6098904), (3972, 5082420), (4634, 4356360), (4965, 4065936), (5040, 4005431), (5296, 3811815), (5958, 3388280), (6620, 3049452), (6951, 2904240), (7944, 2541210), (9268, 2178180), (9930, 2032968), (11585, 1742544), (11916, 1694140), (12101, 1668240), (13240, 1524726), (13902, 1452120), (14895, 1355312), (15888, 1270605), (18536, 1089090), (19860, 1016484), (20853, 968080), (23170, 871272), (23832, 847070), (24202, 834120), (26480, 762363), (27804, 726060), (29790, 677656), (34755, 580848), (36303, 556080), (37072, 544545), (39720, 508242), (41706, 484040), (46340, 435636), (47664, 423535), (48404, 417060), (55608, 363030), (59580, 338828), (60505, 333648), (69510, 290424), (72606, 278040), (79440, 254121), (83412, 242020), (84707, 238320), (92680, 217818), (96808, 208530), (104265, 193616), (108909, 185360), (111216, 181515), (119160, 169414), (121010, 166824), (139020, 145212)]