31885920

素因数分解:

$2^5\times 3^3\times 5^1\times {\mathrm{11}}^2\times {\mathrm{61}}^1$

素因数の和:107

約数の個数: 288

約数和(自身を含む): 124679520

約数和(自身を除く): 92793600

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 16, 18, 20, 22, 24, 27, 30, 32, 33, 36, 40, 44, 45, 48, 54, 55, 60, 61, 66, 72, 80, 88, 90, 96, 99, 108, 110, 120, 121, 122, 132, 135, 144, 160, 165, 176, 180, 183, 198, 216, 220, 240, 242, 244, 264, 270, 288, 297, 305, 330, 352, 360, 363, 366, 396, 432, 440, 480, 484, 488, 495, 528, 540, 549, 594, 605, 610, 660, 671, 720, 726, 732, 792, 864, 880, 915, 968, 976, 990, 1056, 1080, 1089, 1098, 1188, 1210, 1220, 1320, 1342, 1440, 1452, 1464, 1485, 1584, 1647, 1760, 1815, 1830, 1936, 1952, 1980, 2013, 2160, 2178, 2196, 2376, 2420, 2440, 2640, 2684, 2745, 2904, 2928, 2970, 3168, 3267, 3294, 3355, 3630, 3660, 3872, 3960, 4026, 4320, 4356, 4392, 4752, 4840, 4880, 5280, 5368, 5445, 5490, 5808, 5856, 5940, 6039, 6534, 6588, 6710, 7260, 7320, 7381, 7920, 8052, 8235, 8712, 8784, 9504, 9680, 9760, 10065, 10736, 10890, 10980, 11616, 11880, 12078, 13068, 13176, 13420, 14520, 14640, 14762, 15840, 16104, 16335, 16470, 17424, 17568, 18117, 19360, 20130, 21472, 21780, 21960, 22143, 23760, 24156, 26136, 26352, 26840, 29040, 29280, 29524, 30195, 32208, 32670, 32940, 34848, 36234, 36905, 40260, 43560, 43920, 44286, 47520, 48312, 52272, 52704, 53680, 58080, 59048, 60390, 64416, 65340, 65880, 66429, 72468, 73810, 80520, 87120, 87840, 88572, 90585, 96624, 104544, 107360, 110715, 118096, 120780, 130680, 131760, 132858, 144936, 147620, 161040, 174240, 177144, 181170, 193248, 199287, 221430, 236192, 241560, 261360, 263520, 265716, 289872, 295240, 322080, 332145, 354288, 362340, 398574, 442860, 483120, 522720, 531432, 579744, 590480, 664290, 708576, 724680, 797148, 885720, 966240, 996435, 1062864, 1180960, 1328580, 1449360, 1594296, 1771440, 1992870, 2125728, 2657160, 2898720, 3188592, 3542880, 3985740, 5314320, 6377184, 7971480, 10628640, 15942960, 31885920]

約数ペア:

[(1, 31885920), (2, 15942960), (3, 10628640), (4, 7971480), (5, 6377184), (6, 5314320), (8, 3985740), (9, 3542880), (10, 3188592), (11, 2898720), (12, 2657160), (15, 2125728), (16, 1992870), (18, 1771440), (20, 1594296), (22, 1449360), (24, 1328580), (27, 1180960), (30, 1062864), (32, 996435), (33, 966240), (36, 885720), (40, 797148), (44, 724680), (45, 708576), (48, 664290), (54, 590480), (55, 579744), (60, 531432), (61, 522720), (66, 483120), (72, 442860), (80, 398574), (88, 362340), (90, 354288), (96, 332145), (99, 322080), (108, 295240), (110, 289872), (120, 265716), (121, 263520), (122, 261360), (132, 241560), (135, 236192), (144, 221430), (160, 199287), (165, 193248), (176, 181170), (180, 177144), (183, 174240), (198, 161040), (216, 147620), (220, 144936), (240, 132858), (242, 131760), (244, 130680), (264, 120780), (270, 118096), (288, 110715), (297, 107360), (305, 104544), (330, 96624), (352, 90585), (360, 88572), (363, 87840), (366, 87120), (396, 80520), (432, 73810), (440, 72468), (480, 66429), (484, 65880), (488, 65340), (495, 64416), (528, 60390), (540, 59048), (549, 58080), (594, 53680), (605, 52704), (610, 52272), (660, 48312), (671, 47520), (720, 44286), (726, 43920), (732, 43560), (792, 40260), (864, 36905), (880, 36234), (915, 34848), (968, 32940), (976, 32670), (990, 32208), (1056, 30195), (1080, 29524), (1089, 29280), (1098, 29040), (1188, 26840), (1210, 26352), (1220, 26136), (1320, 24156), (1342, 23760), (1440, 22143), (1452, 21960), (1464, 21780), (1485, 21472), (1584, 20130), (1647, 19360), (1760, 18117), (1815, 17568), (1830, 17424), (1936, 16470), (1952, 16335), (1980, 16104), (2013, 15840), (2160, 14762), (2178, 14640), (2196, 14520), (2376, 13420), (2420, 13176), (2440, 13068), (2640, 12078), (2684, 11880), (2745, 11616), (2904, 10980), (2928, 10890), (2970, 10736), (3168, 10065), (3267, 9760), (3294, 9680), (3355, 9504), (3630, 8784), (3660, 8712), (3872, 8235), (3960, 8052), (4026, 7920), (4320, 7381), (4356, 7320), (4392, 7260), (4752, 6710), (4840, 6588), (4880, 6534), (5280, 6039), (5368, 5940), (5445, 5856), (5490, 5808)]