20757907680

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{109}}^1\times {\mathrm{13681}}^1$

素因数の和:13837

約数の個数: 192

約数和(自身を含む): 68267707200

約数和(自身を除く): 47509799520

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 29, 30, 32, 40, 48, 58, 60, 80, 87, 96, 109, 116, 120, 145, 160, 174, 218, 232, 240, 290, 327, 348, 435, 436, 464, 480, 545, 580, 654, 696, 870, 872, 928, 1090, 1160, 1308, 1392, 1635, 1740, 1744, 2180, 2320, 2616, 2784, 3161, 3270, 3480, 3488, 4360, 4640, 5232, 6322, 6540, 6960, 8720, 9483, 10464, 12644, 13080, 13681, 13920, 15805, 17440, 18966, 25288, 26160, 27362, 31610, 37932, 41043, 47415, 50576, 52320, 54724, 63220, 68405, 75864, 82086, 94830, 101152, 109448, 126440, 136810, 151728, 164172, 189660, 205215, 218896, 252880, 273620, 303456, 328344, 379320, 396749, 410430, 437792, 505760, 547240, 656688, 758640, 793498, 820860, 1094480, 1190247, 1313376, 1491229, 1517280, 1586996, 1641720, 1983745, 2188960, 2380494, 2982458, 3173992, 3283440, 3967490, 4473687, 4760988, 5951235, 5964916, 6347984, 6566880, 7456145, 7934980, 8947374, 9521976, 11902470, 11929832, 12695968, 14912290, 15869960, 17894748, 19043952, 22368435, 23804940, 23859664, 29824580, 31739920, 35789496, 38087904, 43245641, 44736870, 47609880, 47719328, 59649160, 63479840, 71578992, 86491282, 89473740, 95219760, 119298320, 129736923, 143157984, 172982564, 178947480, 190439520, 216228205, 238596640, 259473846, 345965128, 357894960, 432456410, 518947692, 648684615, 691930256, 715789920, 864912820, 1037895384, 1297369230, 1383860512, 1729825640, 2075790768, 2594738460, 3459651280, 4151581536, 5189476920, 6919302560, 10378953840, 20757907680]

約数ペア:

[(1, 20757907680), (2, 10378953840), (3, 6919302560), (4, 5189476920), (5, 4151581536), (6, 3459651280), (8, 2594738460), (10, 2075790768), (12, 1729825640), (15, 1383860512), (16, 1297369230), (20, 1037895384), (24, 864912820), (29, 715789920), (30, 691930256), (32, 648684615), (40, 518947692), (48, 432456410), (58, 357894960), (60, 345965128), (80, 259473846), (87, 238596640), (96, 216228205), (109, 190439520), (116, 178947480), (120, 172982564), (145, 143157984), (160, 129736923), (174, 119298320), (218, 95219760), (232, 89473740), (240, 86491282), (290, 71578992), (327, 63479840), (348, 59649160), (435, 47719328), (436, 47609880), (464, 44736870), (480, 43245641), (545, 38087904), (580, 35789496), (654, 31739920), (696, 29824580), (870, 23859664), (872, 23804940), (928, 22368435), (1090, 19043952), (1160, 17894748), (1308, 15869960), (1392, 14912290), (1635, 12695968), (1740, 11929832), (1744, 11902470), (2180, 9521976), (2320, 8947374), (2616, 7934980), (2784, 7456145), (3161, 6566880), (3270, 6347984), (3480, 5964916), (3488, 5951235), (4360, 4760988), (4640, 4473687), (5232, 3967490), (6322, 3283440), (6540, 3173992), (6960, 2982458), (8720, 2380494), (9483, 2188960), (10464, 1983745), (12644, 1641720), (13080, 1586996), (13681, 1517280), (13920, 1491229), (15805, 1313376), (17440, 1190247), (18966, 1094480), (25288, 820860), (26160, 793498), (27362, 758640), (31610, 656688), (37932, 547240), (41043, 505760), (47415, 437792), (50576, 410430), (52320, 396749), (54724, 379320), (63220, 328344), (68405, 303456), (75864, 273620), (82086, 252880), (94830, 218896), (101152, 205215), (109448, 189660), (126440, 164172), (136810, 151728)]