19724640

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{109}}^1$

素因数の和:169

約数の個数: 192

約数和(自身を含む): 69854400

約数和(自身を除く): 50129760

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 29, 30, 32, 39, 40, 48, 52, 58, 60, 65, 78, 80, 87, 96, 104, 109, 116, 120, 130, 145, 156, 160, 174, 195, 208, 218, 232, 240, 260, 290, 312, 327, 348, 377, 390, 416, 435, 436, 464, 480, 520, 545, 580, 624, 654, 696, 754, 780, 870, 872, 928, 1040, 1090, 1131, 1160, 1248, 1308, 1392, 1417, 1508, 1560, 1635, 1740, 1744, 1885, 2080, 2180, 2262, 2320, 2616, 2784, 2834, 3016, 3120, 3161, 3270, 3480, 3488, 3770, 4251, 4360, 4524, 4640, 5232, 5655, 5668, 6032, 6240, 6322, 6540, 6960, 7085, 7540, 8502, 8720, 9048, 9483, 10464, 11310, 11336, 12064, 12644, 13080, 13920, 14170, 15080, 15805, 17004, 17440, 18096, 18966, 21255, 22620, 22672, 25288, 26160, 28340, 30160, 31610, 34008, 36192, 37932, 41093, 42510, 45240, 45344, 47415, 50576, 52320, 56680, 60320, 63220, 68016, 75864, 82186, 85020, 90480, 94830, 101152, 113360, 123279, 126440, 136032, 151728, 164372, 170040, 180960, 189660, 205465, 226720, 246558, 252880, 303456, 328744, 340080, 379320, 410930, 493116, 505760, 616395, 657488, 680160, 758640, 821860, 986232, 1232790, 1314976, 1517280, 1643720, 1972464, 2465580, 3287440, 3944928, 4931160, 6574880, 9862320, 19724640]

約数ペア:

[(1, 19724640), (2, 9862320), (3, 6574880), (4, 4931160), (5, 3944928), (6, 3287440), (8, 2465580), (10, 1972464), (12, 1643720), (13, 1517280), (15, 1314976), (16, 1232790), (20, 986232), (24, 821860), (26, 758640), (29, 680160), (30, 657488), (32, 616395), (39, 505760), (40, 493116), (48, 410930), (52, 379320), (58, 340080), (60, 328744), (65, 303456), (78, 252880), (80, 246558), (87, 226720), (96, 205465), (104, 189660), (109, 180960), (116, 170040), (120, 164372), (130, 151728), (145, 136032), (156, 126440), (160, 123279), (174, 113360), (195, 101152), (208, 94830), (218, 90480), (232, 85020), (240, 82186), (260, 75864), (290, 68016), (312, 63220), (327, 60320), (348, 56680), (377, 52320), (390, 50576), (416, 47415), (435, 45344), (436, 45240), (464, 42510), (480, 41093), (520, 37932), (545, 36192), (580, 34008), (624, 31610), (654, 30160), (696, 28340), (754, 26160), (780, 25288), (870, 22672), (872, 22620), (928, 21255), (1040, 18966), (1090, 18096), (1131, 17440), (1160, 17004), (1248, 15805), (1308, 15080), (1392, 14170), (1417, 13920), (1508, 13080), (1560, 12644), (1635, 12064), (1740, 11336), (1744, 11310), (1885, 10464), (2080, 9483), (2180, 9048), (2262, 8720), (2320, 8502), (2616, 7540), (2784, 7085), (2834, 6960), (3016, 6540), (3120, 6322), (3161, 6240), (3270, 6032), (3480, 5668), (3488, 5655), (3770, 5232), (4251, 4640), (4360, 4524)]