28861560

素因数分解:

$2^3\times 3^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{881}}^1$

素因数の和:918

約数の個数: 192

約数和(自身を含む): 115577280

約数和(自身を除く): 86715720

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 13, 14, 15, 18, 20, 21, 24, 26, 28, 30, 35, 36, 39, 40, 42, 45, 52, 56, 60, 63, 65, 70, 72, 78, 84, 90, 91, 104, 105, 117, 120, 126, 130, 140, 156, 168, 180, 182, 195, 210, 234, 252, 260, 273, 280, 312, 315, 360, 364, 390, 420, 455, 468, 504, 520, 546, 585, 630, 728, 780, 819, 840, 881, 910, 936, 1092, 1170, 1260, 1365, 1560, 1638, 1762, 1820, 2184, 2340, 2520, 2643, 2730, 3276, 3524, 3640, 4095, 4405, 4680, 5286, 5460, 6167, 6552, 7048, 7929, 8190, 8810, 10572, 10920, 11453, 12334, 13215, 15858, 16380, 17620, 18501, 21144, 22906, 24668, 26430, 30835, 31716, 32760, 34359, 35240, 37002, 39645, 45812, 49336, 52860, 55503, 57265, 61670, 63432, 68718, 74004, 79290, 80171, 91624, 92505, 103077, 105720, 111006, 114530, 123340, 137436, 148008, 158580, 160342, 171795, 185010, 206154, 222012, 229060, 240513, 246680, 274872, 277515, 317160, 320684, 343590, 370020, 400855, 412308, 444024, 458120, 481026, 515385, 555030, 641368, 687180, 721539, 740040, 801710, 824616, 962052, 1030770, 1110060, 1202565, 1374360, 1443078, 1603420, 1924104, 2061540, 2220120, 2405130, 2886156, 3206840, 3607695, 4123080, 4810260, 5772312, 7215390, 9620520, 14430780, 28861560]

約数ペア:

[(1, 28861560), (2, 14430780), (3, 9620520), (4, 7215390), (5, 5772312), (6, 4810260), (7, 4123080), (8, 3607695), (9, 3206840), (10, 2886156), (12, 2405130), (13, 2220120), (14, 2061540), (15, 1924104), (18, 1603420), (20, 1443078), (21, 1374360), (24, 1202565), (26, 1110060), (28, 1030770), (30, 962052), (35, 824616), (36, 801710), (39, 740040), (40, 721539), (42, 687180), (45, 641368), (52, 555030), (56, 515385), (60, 481026), (63, 458120), (65, 444024), (70, 412308), (72, 400855), (78, 370020), (84, 343590), (90, 320684), (91, 317160), (104, 277515), (105, 274872), (117, 246680), (120, 240513), (126, 229060), (130, 222012), (140, 206154), (156, 185010), (168, 171795), (180, 160342), (182, 158580), (195, 148008), (210, 137436), (234, 123340), (252, 114530), (260, 111006), (273, 105720), (280, 103077), (312, 92505), (315, 91624), (360, 80171), (364, 79290), (390, 74004), (420, 68718), (455, 63432), (468, 61670), (504, 57265), (520, 55503), (546, 52860), (585, 49336), (630, 45812), (728, 39645), (780, 37002), (819, 35240), (840, 34359), (881, 32760), (910, 31716), (936, 30835), (1092, 26430), (1170, 24668), (1260, 22906), (1365, 21144), (1560, 18501), (1638, 17620), (1762, 16380), (1820, 15858), (2184, 13215), (2340, 12334), (2520, 11453), (2643, 10920), (2730, 10572), (3276, 8810), (3524, 8190), (3640, 7929), (4095, 7048), (4405, 6552), (4680, 6167), (5286, 5460)]