30881520

素因数分解:

$2^4\times 3^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{29}}^2$

素因数の和:97

約数の個数: 240

約数和(自身を含む): 116644320

約数和(自身を除く): 85762800

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 17, 18, 20, 24, 27, 29, 30, 34, 36, 40, 45, 48, 51, 54, 58, 60, 68, 72, 80, 85, 87, 90, 102, 108, 116, 120, 135, 136, 144, 145, 153, 170, 174, 180, 204, 216, 232, 240, 255, 261, 270, 272, 290, 306, 340, 348, 360, 408, 432, 435, 459, 464, 493, 510, 522, 540, 580, 612, 680, 696, 720, 765, 783, 816, 841, 870, 918, 986, 1020, 1044, 1080, 1160, 1224, 1305, 1360, 1392, 1479, 1530, 1566, 1682, 1740, 1836, 1972, 2040, 2088, 2160, 2295, 2320, 2448, 2465, 2523, 2610, 2958, 3060, 3132, 3364, 3480, 3672, 3915, 3944, 4080, 4176, 4205, 4437, 4590, 4930, 5046, 5220, 5916, 6120, 6264, 6728, 6960, 7344, 7395, 7569, 7830, 7888, 8410, 8874, 9180, 9860, 10092, 10440, 11832, 12240, 12528, 12615, 13311, 13456, 14297, 14790, 15138, 15660, 16820, 17748, 18360, 19720, 20184, 20880, 22185, 22707, 23664, 25230, 26622, 28594, 29580, 30276, 31320, 33640, 35496, 36720, 37845, 39440, 40368, 42891, 44370, 45414, 50460, 53244, 57188, 59160, 60552, 62640, 66555, 67280, 70992, 71485, 75690, 85782, 88740, 90828, 100920, 106488, 113535, 114376, 118320, 121104, 128673, 133110, 142970, 151380, 171564, 177480, 181656, 201840, 212976, 214455, 227070, 228752, 257346, 266220, 285940, 302760, 343128, 354960, 363312, 386019, 428910, 454140, 514692, 532440, 571880, 605520, 643365, 686256, 772038, 857820, 908280, 1029384, 1064880, 1143760, 1286730, 1544076, 1715640, 1816560, 1930095, 2058768, 2573460, 3088152, 3431280, 3860190, 5146920, 6176304, 7720380, 10293840, 15440760, 30881520]

約数ペア:

[(1, 30881520), (2, 15440760), (3, 10293840), (4, 7720380), (5, 6176304), (6, 5146920), (8, 3860190), (9, 3431280), (10, 3088152), (12, 2573460), (15, 2058768), (16, 1930095), (17, 1816560), (18, 1715640), (20, 1544076), (24, 1286730), (27, 1143760), (29, 1064880), (30, 1029384), (34, 908280), (36, 857820), (40, 772038), (45, 686256), (48, 643365), (51, 605520), (54, 571880), (58, 532440), (60, 514692), (68, 454140), (72, 428910), (80, 386019), (85, 363312), (87, 354960), (90, 343128), (102, 302760), (108, 285940), (116, 266220), (120, 257346), (135, 228752), (136, 227070), (144, 214455), (145, 212976), (153, 201840), (170, 181656), (174, 177480), (180, 171564), (204, 151380), (216, 142970), (232, 133110), (240, 128673), (255, 121104), (261, 118320), (270, 114376), (272, 113535), (290, 106488), (306, 100920), (340, 90828), (348, 88740), (360, 85782), (408, 75690), (432, 71485), (435, 70992), (459, 67280), (464, 66555), (493, 62640), (510, 60552), (522, 59160), (540, 57188), (580, 53244), (612, 50460), (680, 45414), (696, 44370), (720, 42891), (765, 40368), (783, 39440), (816, 37845), (841, 36720), (870, 35496), (918, 33640), (986, 31320), (1020, 30276), (1044, 29580), (1080, 28594), (1160, 26622), (1224, 25230), (1305, 23664), (1360, 22707), (1392, 22185), (1479, 20880), (1530, 20184), (1566, 19720), (1682, 18360), (1740, 17748), (1836, 16820), (1972, 15660), (2040, 15138), (2088, 14790), (2160, 14297), (2295, 13456), (2320, 13311), (2448, 12615), (2465, 12528), (2523, 12240), (2610, 11832), (2958, 10440), (3060, 10092), (3132, 9860), (3364, 9180), (3480, 8874), (3672, 8410), (3915, 7888), (3944, 7830), (4080, 7569), (4176, 7395), (4205, 7344), (4437, 6960), (4590, 6728), (4930, 6264), (5046, 6120), (5220, 5916)]