205028460

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{12517}}^1$

素因数の和:12552

約数の個数: 144

約数和(自身を含む): 765500736

約数和(自身を除く): 560472276

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 13, 14, 15, 18, 20, 21, 26, 28, 30, 35, 36, 39, 42, 45, 52, 60, 63, 65, 70, 78, 84, 90, 91, 105, 117, 126, 130, 140, 156, 180, 182, 195, 210, 234, 252, 260, 273, 315, 364, 390, 420, 455, 468, 546, 585, 630, 780, 819, 910, 1092, 1170, 1260, 1365, 1638, 1820, 2340, 2730, 3276, 4095, 5460, 8190, 12517, 16380, 25034, 37551, 50068, 62585, 75102, 87619, 112653, 125170, 150204, 162721, 175238, 187755, 225306, 250340, 262857, 325442, 350476, 375510, 438095, 450612, 488163, 525714, 563265, 650884, 751020, 788571, 813605, 876190, 976326, 1051428, 1126530, 1139047, 1314285, 1464489, 1577142, 1627210, 1752380, 1952652, 2253060, 2278094, 2440815, 2628570, 2928978, 3154284, 3254420, 3417141, 3942855, 4556188, 4881630, 5257140, 5695235, 5857956, 6834282, 7322445, 7885710, 9763260, 10251423, 11390470, 13668564, 14644890, 15771420, 17085705, 20502846, 22780940, 29289780, 34171410, 41005692, 51257115, 68342820, 102514230, 205028460]

約数ペア:

[(1, 205028460), (2, 102514230), (3, 68342820), (4, 51257115), (5, 41005692), (6, 34171410), (7, 29289780), (9, 22780940), (10, 20502846), (12, 17085705), (13, 15771420), (14, 14644890), (15, 13668564), (18, 11390470), (20, 10251423), (21, 9763260), (26, 7885710), (28, 7322445), (30, 6834282), (35, 5857956), (36, 5695235), (39, 5257140), (42, 4881630), (45, 4556188), (52, 3942855), (60, 3417141), (63, 3254420), (65, 3154284), (70, 2928978), (78, 2628570), (84, 2440815), (90, 2278094), (91, 2253060), (105, 1952652), (117, 1752380), (126, 1627210), (130, 1577142), (140, 1464489), (156, 1314285), (180, 1139047), (182, 1126530), (195, 1051428), (210, 976326), (234, 876190), (252, 813605), (260, 788571), (273, 751020), (315, 650884), (364, 563265), (390, 525714), (420, 488163), (455, 450612), (468, 438095), (546, 375510), (585, 350476), (630, 325442), (780, 262857), (819, 250340), (910, 225306), (1092, 187755), (1170, 175238), (1260, 162721), (1365, 150204), (1638, 125170), (1820, 112653), (2340, 87619), (2730, 75102), (3276, 62585), (4095, 50068), (5460, 37551), (8190, 25034), (12517, 16380)]