15921360

素因数分解:

$2^4\times 3^7\times 5^1\times 7^1\times {\mathrm{13}}^1$

素因数の和:54

約数の個数: 320

約数和(自身を含む): 68328960

約数和(自身を除く): 52407600

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 13, 14, 15, 16, 18, 20, 21, 24, 26, 27, 28, 30, 35, 36, 39, 40, 42, 45, 48, 52, 54, 56, 60, 63, 65, 70, 72, 78, 80, 81, 84, 90, 91, 104, 105, 108, 112, 117, 120, 126, 130, 135, 140, 144, 156, 162, 168, 180, 182, 189, 195, 208, 210, 216, 234, 240, 243, 252, 260, 270, 273, 280, 312, 315, 324, 336, 351, 360, 364, 378, 390, 405, 420, 432, 455, 468, 486, 504, 520, 540, 546, 560, 567, 585, 624, 630, 648, 702, 720, 728, 729, 756, 780, 810, 819, 840, 910, 936, 945, 972, 1008, 1040, 1053, 1080, 1092, 1134, 1170, 1215, 1260, 1296, 1365, 1404, 1456, 1458, 1512, 1560, 1620, 1638, 1680, 1701, 1755, 1820, 1872, 1890, 1944, 2106, 2160, 2184, 2187, 2268, 2340, 2430, 2457, 2520, 2730, 2808, 2835, 2916, 3024, 3120, 3159, 3240, 3276, 3402, 3510, 3640, 3645, 3780, 3888, 4095, 4212, 4368, 4374, 4536, 4680, 4860, 4914, 5040, 5103, 5265, 5460, 5616, 5670, 5832, 6318, 6480, 6552, 6804, 7020, 7280, 7290, 7371, 7560, 8190, 8424, 8505, 8748, 9072, 9360, 9477, 9720, 9828, 10206, 10530, 10920, 10935, 11340, 11664, 12285, 12636, 13104, 13608, 14040, 14580, 14742, 15120, 15309, 15795, 16380, 16848, 17010, 17496, 18954, 19440, 19656, 20412, 21060, 21840, 21870, 22113, 22680, 24570, 25272, 25515, 27216, 28080, 28431, 29160, 29484, 30618, 31590, 32760, 34020, 34992, 36855, 37908, 39312, 40824, 42120, 43740, 44226, 45360, 47385, 49140, 50544, 51030, 56862, 58320, 58968, 61236, 63180, 65520, 66339, 68040, 73710, 75816, 76545, 81648, 84240, 87480, 88452, 94770, 98280, 102060, 110565, 113724, 117936, 122472, 126360, 132678, 136080, 142155, 147420, 151632, 153090, 174960, 176904, 189540, 196560, 199017, 204120, 221130, 227448, 244944, 252720, 265356, 284310, 294840, 306180, 331695, 353808, 379080, 398034, 408240, 442260, 454896, 530712, 568620, 589680, 612360, 663390, 758160, 796068, 884520, 995085, 1061424, 1137240, 1224720, 1326780, 1592136, 1769040, 1990170, 2274480, 2653560, 3184272, 3980340, 5307120, 7960680, 15921360]

約数ペア:

[(1, 15921360), (2, 7960680), (3, 5307120), (4, 3980340), (5, 3184272), (6, 2653560), (7, 2274480), (8, 1990170), (9, 1769040), (10, 1592136), (12, 1326780), (13, 1224720), (14, 1137240), (15, 1061424), (16, 995085), (18, 884520), (20, 796068), (21, 758160), (24, 663390), (26, 612360), (27, 589680), (28, 568620), (30, 530712), (35, 454896), (36, 442260), (39, 408240), (40, 398034), (42, 379080), (45, 353808), (48, 331695), (52, 306180), (54, 294840), (56, 284310), (60, 265356), (63, 252720), (65, 244944), (70, 227448), (72, 221130), (78, 204120), (80, 199017), (81, 196560), (84, 189540), (90, 176904), (91, 174960), (104, 153090), (105, 151632), (108, 147420), (112, 142155), (117, 136080), (120, 132678), (126, 126360), (130, 122472), (135, 117936), (140, 113724), (144, 110565), (156, 102060), (162, 98280), (168, 94770), (180, 88452), (182, 87480), (189, 84240), (195, 81648), (208, 76545), (210, 75816), (216, 73710), (234, 68040), (240, 66339), (243, 65520), (252, 63180), (260, 61236), (270, 58968), (273, 58320), (280, 56862), (312, 51030), (315, 50544), (324, 49140), (336, 47385), (351, 45360), (360, 44226), (364, 43740), (378, 42120), (390, 40824), (405, 39312), (420, 37908), (432, 36855), (455, 34992), (468, 34020), (486, 32760), (504, 31590), (520, 30618), (540, 29484), (546, 29160), (560, 28431), (567, 28080), (585, 27216), (624, 25515), (630, 25272), (648, 24570), (702, 22680), (720, 22113), (728, 21870), (729, 21840), (756, 21060), (780, 20412), (810, 19656), (819, 19440), (840, 18954), (910, 17496), (936, 17010), (945, 16848), (972, 16380), (1008, 15795), (1040, 15309), (1053, 15120), (1080, 14742), (1092, 14580), (1134, 14040), (1170, 13608), (1215, 13104), (1260, 12636), (1296, 12285), (1365, 11664), (1404, 11340), (1456, 10935), (1458, 10920), (1512, 10530), (1560, 10206), (1620, 9828), (1638, 9720), (1680, 9477), (1701, 9360), (1755, 9072), (1820, 8748), (1872, 8505), (1890, 8424), (1944, 8190), (2106, 7560), (2160, 7371), (2184, 7290), (2187, 7280), (2268, 7020), (2340, 6804), (2430, 6552), (2457, 6480), (2520, 6318), (2730, 5832), (2808, 5670), (2835, 5616), (2916, 5460), (3024, 5265), (3120, 5103), (3159, 5040), (3240, 4914), (3276, 4860), (3402, 4680), (3510, 4536), (3640, 4374), (3645, 4368), (3780, 4212), (3888, 4095)]