20148266880

素因数分解:

$2^7\times 3^2\times 5^1\times 7^2\times {\mathrm{71387}}^1$

素因数の和:71426

約数の個数: 288

約数和(自身を含む): 80934717240

約数和(自身を除く): 60786450360

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, 49, 56, 60, 63, 64, 70, 72, 80, 84, 90, 96, 98, 105, 112, 120, 126, 128, 140, 144, 147, 160, 168, 180, 192, 196, 210, 224, 240, 245, 252, 280, 288, 294, 315, 320, 336, 360, 384, 392, 420, 441, 448, 480, 490, 504, 560, 576, 588, 630, 640, 672, 720, 735, 784, 840, 882, 896, 960, 980, 1008, 1120, 1152, 1176, 1260, 1344, 1440, 1470, 1568, 1680, 1764, 1920, 1960, 2016, 2205, 2240, 2352, 2520, 2688, 2880, 2940, 3136, 3360, 3528, 3920, 4032, 4410, 4480, 4704, 5040, 5760, 5880, 6272, 6720, 7056, 7840, 8064, 8820, 9408, 10080, 11760, 13440, 14112, 15680, 17640, 18816, 20160, 23520, 28224, 31360, 35280, 40320, 47040, 56448, 70560, 71387, 94080, 141120, 142774, 214161, 282240, 285548, 356935, 428322, 499709, 571096, 642483, 713870, 856644, 999418, 1070805, 1142192, 1284966, 1427740, 1499127, 1713288, 1998836, 2141610, 2284384, 2498545, 2569932, 2855480, 2998254, 3212415, 3426576, 3497963, 3997672, 4283220, 4497381, 4568768, 4997090, 5139864, 5710960, 5996508, 6424830, 6853152, 6995926, 7495635, 7995344, 8566440, 8994762, 9137536, 9994180, 10279728, 10493889, 11421920, 11993016, 12849660, 13706304, 13991852, 14991270, 15990688, 17132880, 17489815, 17989524, 19988360, 20559456, 20987778, 22486905, 22843840, 23986032, 25699320, 27412608, 27983704, 29982540, 31481667, 31981376, 34265760, 34979630, 35979048, 39976720, 41118912, 41975556, 44973810, 45687680, 47972064, 51398640, 52469445, 55967408, 59965080, 62963334, 63962752, 68531520, 69959260, 71958096, 79953440, 82237824, 83951112, 89947620, 95944128, 102797280, 104938890, 111934816, 119930160, 125926668, 137063040, 139918520, 143916192, 157408335, 159906880, 167902224, 179895240, 191888256, 205594560, 209877780, 223869632, 239860320, 251853336, 279837040, 287832384, 314816670, 319813760, 335804448, 359790480, 411189120, 419755560, 447739264, 479720640, 503706672, 559674080, 575664768, 629633340, 671608896, 719580960, 839511120, 959441280, 1007413344, 1119348160, 1259266680, 1343217792, 1439161920, 1679022240, 2014826688, 2238696320, 2518533360, 2878323840, 3358044480, 4029653376, 5037066720, 6716088960, 10074133440, 20148266880]

約数ペア:

[(1, 20148266880), (2, 10074133440), (3, 6716088960), (4, 5037066720), (5, 4029653376), (6, 3358044480), (7, 2878323840), (8, 2518533360), (9, 2238696320), (10, 2014826688), (12, 1679022240), (14, 1439161920), (15, 1343217792), (16, 1259266680), (18, 1119348160), (20, 1007413344), (21, 959441280), (24, 839511120), (28, 719580960), (30, 671608896), (32, 629633340), (35, 575664768), (36, 559674080), (40, 503706672), (42, 479720640), (45, 447739264), (48, 419755560), (49, 411189120), (56, 359790480), (60, 335804448), (63, 319813760), (64, 314816670), (70, 287832384), (72, 279837040), (80, 251853336), (84, 239860320), (90, 223869632), (96, 209877780), (98, 205594560), (105, 191888256), (112, 179895240), (120, 167902224), (126, 159906880), (128, 157408335), (140, 143916192), (144, 139918520), (147, 137063040), (160, 125926668), (168, 119930160), (180, 111934816), (192, 104938890), (196, 102797280), (210, 95944128), (224, 89947620), (240, 83951112), (245, 82237824), (252, 79953440), (280, 71958096), (288, 69959260), (294, 68531520), (315, 63962752), (320, 62963334), (336, 59965080), (360, 55967408), (384, 52469445), (392, 51398640), (420, 47972064), (441, 45687680), (448, 44973810), (480, 41975556), (490, 41118912), (504, 39976720), (560, 35979048), (576, 34979630), (588, 34265760), (630, 31981376), (640, 31481667), (672, 29982540), (720, 27983704), (735, 27412608), (784, 25699320), (840, 23986032), (882, 22843840), (896, 22486905), (960, 20987778), (980, 20559456), (1008, 19988360), (1120, 17989524), (1152, 17489815), (1176, 17132880), (1260, 15990688), (1344, 14991270), (1440, 13991852), (1470, 13706304), (1568, 12849660), (1680, 11993016), (1764, 11421920), (1920, 10493889), (1960, 10279728), (2016, 9994180), (2205, 9137536), (2240, 8994762), (2352, 8566440), (2520, 7995344), (2688, 7495635), (2880, 6995926), (2940, 6853152), (3136, 6424830), (3360, 5996508), (3528, 5710960), (3920, 5139864), (4032, 4997090), (4410, 4568768), (4480, 4497381), (4704, 4283220), (5040, 3997672), (5760, 3497963), (5880, 3426576), (6272, 3212415), (6720, 2998254), (7056, 2855480), (7840, 2569932), (8064, 2498545), (8820, 2284384), (9408, 2141610), (10080, 1998836), (11760, 1713288), (13440, 1499127), (14112, 1427740), (15680, 1284966), (17640, 1142192), (18816, 1070805), (20160, 999418), (23520, 856644), (28224, 713870), (31360, 642483), (35280, 571096), (40320, 499709), (47040, 428322), (56448, 356935), (70560, 285548), (71387, 282240), (94080, 214161), (141120, 142774)]