1245121920

素因数分解:

$2^7\times 3^2\times 5^1\times 7^1\times {\mathrm{30881}}^1$

素因数の和:30913

約数の個数: 192

約数和(自身を含む): 4913943840

約数和(自身を除く): 3668821920

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, 30881, 40320, 61762, 92643, 123524, 154405, 185286, 216167, 247048, 277929, 308810, 370572, 432334, 463215, 494096, 555858, 617620, 648501, 741144, 864668, 926430, 988192, 1080835, 1111716, 1235240, 1297002, 1389645, 1482288, 1729336, 1852860, 1945503, 1976384, 2161670, 2223432, 2470480, 2594004, 2779290, 2964576, 3242505, 3458672, 3705720, 3891006, 3952768, 4323340, 4446864, 4940960, 5188008, 5558580, 5929152, 6485010, 6917344, 7411440, 7782012, 8646680, 8893728, 9727515, 9881920, 10376016, 11117160, 11858304, 12970020, 13834688, 14822880, 15564024, 17293360, 17787456, 19455030, 19763840, 20752032, 22234320, 25940040, 27669376, 29645760, 31128048, 34586720, 35574912, 38910060, 41504064, 44468640, 51880080, 59291520, 62256096, 69173440, 77820120, 83008128, 88937280, 103760160, 124512192, 138346880, 155640240, 177874560, 207520320, 249024384, 311280480, 415040640, 622560960, 1245121920]

約数ペア:

[(1, 1245121920), (2, 622560960), (3, 415040640), (4, 311280480), (5, 249024384), (6, 207520320), (7, 177874560), (8, 155640240), (9, 138346880), (10, 124512192), (12, 103760160), (14, 88937280), (15, 83008128), (16, 77820120), (18, 69173440), (20, 62256096), (21, 59291520), (24, 51880080), (28, 44468640), (30, 41504064), (32, 38910060), (35, 35574912), (36, 34586720), (40, 31128048), (42, 29645760), (45, 27669376), (48, 25940040), (56, 22234320), (60, 20752032), (63, 19763840), (64, 19455030), (70, 17787456), (72, 17293360), (80, 15564024), (84, 14822880), (90, 13834688), (96, 12970020), (105, 11858304), (112, 11117160), (120, 10376016), (126, 9881920), (128, 9727515), (140, 8893728), (144, 8646680), (160, 7782012), (168, 7411440), (180, 6917344), (192, 6485010), (210, 5929152), (224, 5558580), (240, 5188008), (252, 4940960), (280, 4446864), (288, 4323340), (315, 3952768), (320, 3891006), (336, 3705720), (360, 3458672), (384, 3242505), (420, 2964576), (448, 2779290), (480, 2594004), (504, 2470480), (560, 2223432), (576, 2161670), (630, 1976384), (640, 1945503), (672, 1852860), (720, 1729336), (840, 1482288), (896, 1389645), (960, 1297002), (1008, 1235240), (1120, 1111716), (1152, 1080835), (1260, 988192), (1344, 926430), (1440, 864668), (1680, 741144), (1920, 648501), (2016, 617620), (2240, 555858), (2520, 494096), (2688, 463215), (2880, 432334), (3360, 370572), (4032, 308810), (4480, 277929), (5040, 247048), (5760, 216167), (6720, 185286), (8064, 154405), (10080, 123524), (13440, 92643), (20160, 61762), (30881, 40320)]