21228480

素因数分解:

$2^6\times 3^6\times 5^1\times 7^1\times {\mathrm{13}}^1$

素因数の和:55

約数の個数: 392

約数和(自身を含む): 93280992

約数和(自身を除く): 72052512

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, 32, 35, 36, 39, 40, 42, 45, 48, 52, 54, 56, 60, 63, 64, 65, 70, 72, 78, 80, 81, 84, 90, 91, 96, 104, 105, 108, 112, 117, 120, 126, 130, 135, 140, 144, 156, 160, 162, 168, 180, 182, 189, 192, 195, 208, 210, 216, 224, 234, 240, 243, 252, 260, 270, 273, 280, 288, 312, 315, 320, 324, 336, 351, 360, 364, 378, 390, 405, 416, 420, 432, 448, 455, 468, 480, 486, 504, 520, 540, 546, 560, 567, 576, 585, 624, 630, 648, 672, 702, 720, 728, 729, 756, 780, 810, 819, 832, 840, 864, 910, 936, 945, 960, 972, 1008, 1040, 1053, 1080, 1092, 1120, 1134, 1170, 1215, 1248, 1260, 1296, 1344, 1365, 1404, 1440, 1456, 1458, 1512, 1560, 1620, 1638, 1680, 1701, 1728, 1755, 1820, 1872, 1890, 1944, 2016, 2080, 2106, 2160, 2184, 2240, 2268, 2340, 2430, 2457, 2496, 2520, 2592, 2730, 2808, 2835, 2880, 2912, 2916, 3024, 3120, 3159, 3240, 3276, 3360, 3402, 3510, 3640, 3645, 3744, 3780, 3888, 4032, 4095, 4160, 4212, 4320, 4368, 4536, 4680, 4860, 4914, 5040, 5103, 5184, 5265, 5460, 5616, 5670, 5824, 5832, 6048, 6240, 6318, 6480, 6552, 6720, 6804, 7020, 7280, 7290, 7371, 7488, 7560, 7776, 8190, 8424, 8505, 8640, 8736, 9072, 9360, 9477, 9720, 9828, 10080, 10206, 10530, 10920, 11232, 11340, 11664, 12096, 12285, 12480, 12636, 12960, 13104, 13608, 14040, 14560, 14580, 14742, 15120, 15552, 15795, 16380, 16848, 17010, 17472, 18144, 18720, 18954, 19440, 19656, 20160, 20412, 21060, 21840, 22113, 22464, 22680, 23328, 24570, 25272, 25515, 25920, 26208, 27216, 28080, 29120, 29160, 29484, 30240, 31590, 32760, 33696, 34020, 36288, 36855, 37440, 37908, 38880, 39312, 40824, 42120, 43680, 44226, 45360, 46656, 47385, 49140, 50544, 51030, 52416, 54432, 56160, 58320, 58968, 60480, 63180, 65520, 66339, 67392, 68040, 73710, 75816, 77760, 78624, 81648, 84240, 87360, 88452, 90720, 94770, 98280, 101088, 102060, 108864, 110565, 112320, 116640, 117936, 126360, 131040, 132678, 136080, 147420, 151632, 157248, 163296, 168480, 176904, 181440, 189540, 196560, 202176, 204120, 221130, 233280, 235872, 252720, 262080, 265356, 272160, 294840, 303264, 326592, 331695, 336960, 353808, 379080, 393120, 408240, 442260, 471744, 505440, 530712, 544320, 589680, 606528, 663390, 707616, 758160, 786240, 816480, 884520, 1010880, 1061424, 1179360, 1326780, 1415232, 1516320, 1632960, 1769040, 2122848, 2358720, 2653560, 3032640, 3538080, 4245696, 5307120, 7076160, 10614240, 21228480]

約数ペア:

[(1, 21228480), (2, 10614240), (3, 7076160), (4, 5307120), (5, 4245696), (6, 3538080), (7, 3032640), (8, 2653560), (9, 2358720), (10, 2122848), (12, 1769040), (13, 1632960), (14, 1516320), (15, 1415232), (16, 1326780), (18, 1179360), (20, 1061424), (21, 1010880), (24, 884520), (26, 816480), (27, 786240), (28, 758160), (30, 707616), (32, 663390), (35, 606528), (36, 589680), (39, 544320), (40, 530712), (42, 505440), (45, 471744), (48, 442260), (52, 408240), (54, 393120), (56, 379080), (60, 353808), (63, 336960), (64, 331695), (65, 326592), (70, 303264), (72, 294840), (78, 272160), (80, 265356), (81, 262080), (84, 252720), (90, 235872), (91, 233280), (96, 221130), (104, 204120), (105, 202176), (108, 196560), (112, 189540), (117, 181440), (120, 176904), (126, 168480), (130, 163296), (135, 157248), (140, 151632), (144, 147420), (156, 136080), (160, 132678), (162, 131040), (168, 126360), (180, 117936), (182, 116640), (189, 112320), (192, 110565), (195, 108864), (208, 102060), (210, 101088), (216, 98280), (224, 94770), (234, 90720), (240, 88452), (243, 87360), (252, 84240), (260, 81648), (270, 78624), (273, 77760), (280, 75816), (288, 73710), (312, 68040), (315, 67392), (320, 66339), (324, 65520), (336, 63180), (351, 60480), (360, 58968), (364, 58320), (378, 56160), (390, 54432), (405, 52416), (416, 51030), (420, 50544), (432, 49140), (448, 47385), (455, 46656), (468, 45360), (480, 44226), (486, 43680), (504, 42120), (520, 40824), (540, 39312), (546, 38880), (560, 37908), (567, 37440), (576, 36855), (585, 36288), (624, 34020), (630, 33696), (648, 32760), (672, 31590), (702, 30240), (720, 29484), (728, 29160), (729, 29120), (756, 28080), (780, 27216), (810, 26208), (819, 25920), (832, 25515), (840, 25272), (864, 24570), (910, 23328), (936, 22680), (945, 22464), (960, 22113), (972, 21840), (1008, 21060), (1040, 20412), (1053, 20160), (1080, 19656), (1092, 19440), (1120, 18954), (1134, 18720), (1170, 18144), (1215, 17472), (1248, 17010), (1260, 16848), (1296, 16380), (1344, 15795), (1365, 15552), (1404, 15120), (1440, 14742), (1456, 14580), (1458, 14560), (1512, 14040), (1560, 13608), (1620, 13104), (1638, 12960), (1680, 12636), (1701, 12480), (1728, 12285), (1755, 12096), (1820, 11664), (1872, 11340), (1890, 11232), (1944, 10920), (2016, 10530), (2080, 10206), (2106, 10080), (2160, 9828), (2184, 9720), (2240, 9477), (2268, 9360), (2340, 9072), (2430, 8736), (2457, 8640), (2496, 8505), (2520, 8424), (2592, 8190), (2730, 7776), (2808, 7560), (2835, 7488), (2880, 7371), (2912, 7290), (2916, 7280), (3024, 7020), (3120, 6804), (3159, 6720), (3240, 6552), (3276, 6480), (3360, 6318), (3402, 6240), (3510, 6048), (3640, 5832), (3645, 5824), (3744, 5670), (3780, 5616), (3888, 5460), (4032, 5265), (4095, 5184), (4160, 5103), (4212, 5040), (4320, 4914), (4368, 4860), (4536, 4680)]