18947520

素因数分解:

$2^6\times 3^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1$

素因数の和:89

約数の個数: 280

約数和(自身を含む): 73023984

約数和(自身を除く): 54076464

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 17, 18, 20, 24, 27, 30, 32, 34, 36, 40, 43, 45, 48, 51, 54, 60, 64, 68, 72, 80, 81, 85, 86, 90, 96, 102, 108, 120, 129, 135, 136, 144, 153, 160, 162, 170, 172, 180, 192, 204, 215, 216, 240, 255, 258, 270, 272, 288, 306, 320, 324, 340, 344, 360, 387, 405, 408, 430, 432, 459, 480, 510, 516, 540, 544, 576, 612, 645, 648, 680, 688, 720, 731, 765, 774, 810, 816, 860, 864, 918, 960, 1020, 1032, 1080, 1088, 1161, 1224, 1290, 1296, 1360, 1376, 1377, 1440, 1462, 1530, 1548, 1620, 1632, 1720, 1728, 1836, 1935, 2040, 2064, 2160, 2193, 2295, 2322, 2448, 2580, 2592, 2720, 2752, 2754, 2880, 2924, 3060, 3096, 3240, 3264, 3440, 3483, 3655, 3672, 3870, 4080, 4128, 4320, 4386, 4590, 4644, 4896, 5160, 5184, 5440, 5508, 5805, 5848, 6120, 6192, 6480, 6579, 6880, 6885, 6966, 7310, 7344, 7740, 8160, 8256, 8640, 8772, 9180, 9288, 9792, 10320, 10965, 11016, 11610, 11696, 12240, 12384, 12960, 13158, 13760, 13770, 13932, 14620, 14688, 15480, 16320, 17415, 17544, 18360, 18576, 19737, 20640, 21930, 22032, 23220, 23392, 24480, 24768, 25920, 26316, 27540, 27864, 29240, 29376, 30960, 32895, 34830, 35088, 36720, 37152, 39474, 41280, 43860, 44064, 46440, 46784, 48960, 52632, 55080, 55728, 58480, 59211, 61920, 65790, 69660, 70176, 73440, 74304, 78948, 87720, 88128, 92880, 98685, 105264, 110160, 111456, 116960, 118422, 123840, 131580, 139320, 140352, 146880, 157896, 175440, 185760, 197370, 210528, 220320, 222912, 233920, 236844, 263160, 278640, 296055, 315792, 350880, 371520, 394740, 421056, 440640, 473688, 526320, 557280, 592110, 631584, 701760, 789480, 947376, 1052640, 1114560, 1184220, 1263168, 1578960, 1894752, 2105280, 2368440, 3157920, 3789504, 4736880, 6315840, 9473760, 18947520]

約数ペア:

[(1, 18947520), (2, 9473760), (3, 6315840), (4, 4736880), (5, 3789504), (6, 3157920), (8, 2368440), (9, 2105280), (10, 1894752), (12, 1578960), (15, 1263168), (16, 1184220), (17, 1114560), (18, 1052640), (20, 947376), (24, 789480), (27, 701760), (30, 631584), (32, 592110), (34, 557280), (36, 526320), (40, 473688), (43, 440640), (45, 421056), (48, 394740), (51, 371520), (54, 350880), (60, 315792), (64, 296055), (68, 278640), (72, 263160), (80, 236844), (81, 233920), (85, 222912), (86, 220320), (90, 210528), (96, 197370), (102, 185760), (108, 175440), (120, 157896), (129, 146880), (135, 140352), (136, 139320), (144, 131580), (153, 123840), (160, 118422), (162, 116960), (170, 111456), (172, 110160), (180, 105264), (192, 98685), (204, 92880), (215, 88128), (216, 87720), (240, 78948), (255, 74304), (258, 73440), (270, 70176), (272, 69660), (288, 65790), (306, 61920), (320, 59211), (324, 58480), (340, 55728), (344, 55080), (360, 52632), (387, 48960), (405, 46784), (408, 46440), (430, 44064), (432, 43860), (459, 41280), (480, 39474), (510, 37152), (516, 36720), (540, 35088), (544, 34830), (576, 32895), (612, 30960), (645, 29376), (648, 29240), (680, 27864), (688, 27540), (720, 26316), (731, 25920), (765, 24768), (774, 24480), (810, 23392), (816, 23220), (860, 22032), (864, 21930), (918, 20640), (960, 19737), (1020, 18576), (1032, 18360), (1080, 17544), (1088, 17415), (1161, 16320), (1224, 15480), (1290, 14688), (1296, 14620), (1360, 13932), (1376, 13770), (1377, 13760), (1440, 13158), (1462, 12960), (1530, 12384), (1548, 12240), (1620, 11696), (1632, 11610), (1720, 11016), (1728, 10965), (1836, 10320), (1935, 9792), (2040, 9288), (2064, 9180), (2160, 8772), (2193, 8640), (2295, 8256), (2322, 8160), (2448, 7740), (2580, 7344), (2592, 7310), (2720, 6966), (2752, 6885), (2754, 6880), (2880, 6579), (2924, 6480), (3060, 6192), (3096, 6120), (3240, 5848), (3264, 5805), (3440, 5508), (3483, 5440), (3655, 5184), (3672, 5160), (3870, 4896), (4080, 4644), (4128, 4590), (4320, 4386)]