19827360

素因数分解:

$2^5\times 3^2\times 5^1\times 7^2\times {\mathrm{281}}^1$

素因数の和:316

約数の個数: 216

約数和(自身を含む): 78987636

約数和(自身を除く): 59160276

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 32, 35, 36, 40, 42, 45, 48, 49, 56, 60, 63, 70, 72, 80, 84, 90, 96, 98, 105, 112, 120, 126, 140, 144, 147, 160, 168, 180, 196, 210, 224, 240, 245, 252, 280, 281, 288, 294, 315, 336, 360, 392, 420, 441, 480, 490, 504, 560, 562, 588, 630, 672, 720, 735, 784, 840, 843, 882, 980, 1008, 1120, 1124, 1176, 1260, 1405, 1440, 1470, 1568, 1680, 1686, 1764, 1960, 1967, 2016, 2205, 2248, 2352, 2520, 2529, 2810, 2940, 3360, 3372, 3528, 3920, 3934, 4215, 4410, 4496, 4704, 5040, 5058, 5620, 5880, 5901, 6744, 7056, 7840, 7868, 8430, 8820, 8992, 9835, 10080, 10116, 11240, 11760, 11802, 12645, 13488, 13769, 14112, 15736, 16860, 17640, 17703, 19670, 20232, 22480, 23520, 23604, 25290, 26976, 27538, 29505, 31472, 33720, 35280, 35406, 39340, 40464, 41307, 44960, 47208, 50580, 55076, 59010, 62944, 67440, 68845, 70560, 70812, 78680, 80928, 82614, 88515, 94416, 101160, 110152, 118020, 123921, 134880, 137690, 141624, 157360, 165228, 177030, 188832, 202320, 206535, 220304, 236040, 247842, 275380, 283248, 314720, 330456, 354060, 404640, 413070, 440608, 472080, 495684, 550760, 566496, 619605, 660912, 708120, 826140, 944160, 991368, 1101520, 1239210, 1321824, 1416240, 1652280, 1982736, 2203040, 2478420, 2832480, 3304560, 3965472, 4956840, 6609120, 9913680, 19827360]

約数ペア:

[(1, 19827360), (2, 9913680), (3, 6609120), (4, 4956840), (5, 3965472), (6, 3304560), (7, 2832480), (8, 2478420), (9, 2203040), (10, 1982736), (12, 1652280), (14, 1416240), (15, 1321824), (16, 1239210), (18, 1101520), (20, 991368), (21, 944160), (24, 826140), (28, 708120), (30, 660912), (32, 619605), (35, 566496), (36, 550760), (40, 495684), (42, 472080), (45, 440608), (48, 413070), (49, 404640), (56, 354060), (60, 330456), (63, 314720), (70, 283248), (72, 275380), (80, 247842), (84, 236040), (90, 220304), (96, 206535), (98, 202320), (105, 188832), (112, 177030), (120, 165228), (126, 157360), (140, 141624), (144, 137690), (147, 134880), (160, 123921), (168, 118020), (180, 110152), (196, 101160), (210, 94416), (224, 88515), (240, 82614), (245, 80928), (252, 78680), (280, 70812), (281, 70560), (288, 68845), (294, 67440), (315, 62944), (336, 59010), (360, 55076), (392, 50580), (420, 47208), (441, 44960), (480, 41307), (490, 40464), (504, 39340), (560, 35406), (562, 35280), (588, 33720), (630, 31472), (672, 29505), (720, 27538), (735, 26976), (784, 25290), (840, 23604), (843, 23520), (882, 22480), (980, 20232), (1008, 19670), (1120, 17703), (1124, 17640), (1176, 16860), (1260, 15736), (1405, 14112), (1440, 13769), (1470, 13488), (1568, 12645), (1680, 11802), (1686, 11760), (1764, 11240), (1960, 10116), (1967, 10080), (2016, 9835), (2205, 8992), (2248, 8820), (2352, 8430), (2520, 7868), (2529, 7840), (2810, 7056), (2940, 6744), (3360, 5901), (3372, 5880), (3528, 5620), (3920, 5058), (3934, 5040), (4215, 4704), (4410, 4496)]