18221760

素因数分解:

$2^6\times 3^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1$

素因数の和:85

約数の個数: 280

約数和(自身を含む): 70073520

約数和(自身を除く): 51851760

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 19, 20, 24, 27, 30, 32, 36, 37, 38, 40, 45, 48, 54, 57, 60, 64, 72, 74, 76, 80, 81, 90, 95, 96, 108, 111, 114, 120, 135, 144, 148, 152, 160, 162, 171, 180, 185, 190, 192, 216, 222, 228, 240, 270, 285, 288, 296, 304, 320, 324, 333, 342, 360, 370, 380, 405, 432, 444, 456, 480, 513, 540, 555, 570, 576, 592, 608, 648, 666, 684, 703, 720, 740, 760, 810, 855, 864, 888, 912, 960, 999, 1026, 1080, 1110, 1140, 1184, 1216, 1296, 1332, 1368, 1406, 1440, 1480, 1520, 1539, 1620, 1665, 1710, 1728, 1776, 1824, 1998, 2052, 2109, 2160, 2220, 2280, 2368, 2565, 2592, 2664, 2736, 2812, 2880, 2960, 2997, 3040, 3078, 3240, 3330, 3420, 3515, 3552, 3648, 3996, 4104, 4218, 4320, 4440, 4560, 4995, 5130, 5184, 5328, 5472, 5624, 5920, 5994, 6080, 6156, 6327, 6480, 6660, 6840, 7030, 7104, 7695, 7992, 8208, 8436, 8640, 8880, 9120, 9990, 10260, 10545, 10656, 10944, 11248, 11840, 11988, 12312, 12654, 12960, 13320, 13680, 14060, 14985, 15390, 15984, 16416, 16872, 17760, 18240, 18981, 19980, 20520, 21090, 21312, 22496, 23976, 24624, 25308, 25920, 26640, 27360, 28120, 29970, 30780, 31635, 31968, 32832, 33744, 35520, 37962, 39960, 41040, 42180, 44992, 47952, 49248, 50616, 53280, 54720, 56240, 56943, 59940, 61560, 63270, 63936, 67488, 75924, 79920, 82080, 84360, 94905, 95904, 98496, 101232, 106560, 112480, 113886, 119880, 123120, 126540, 134976, 151848, 159840, 164160, 168720, 189810, 191808, 202464, 224960, 227772, 239760, 246240, 253080, 284715, 303696, 319680, 337440, 379620, 404928, 455544, 479520, 492480, 506160, 569430, 607392, 674880, 759240, 911088, 959040, 1012320, 1138860, 1214784, 1518480, 1822176, 2024640, 2277720, 3036960, 3644352, 4555440, 6073920, 9110880, 18221760]

約数ペア:

[(1, 18221760), (2, 9110880), (3, 6073920), (4, 4555440), (5, 3644352), (6, 3036960), (8, 2277720), (9, 2024640), (10, 1822176), (12, 1518480), (15, 1214784), (16, 1138860), (18, 1012320), (19, 959040), (20, 911088), (24, 759240), (27, 674880), (30, 607392), (32, 569430), (36, 506160), (37, 492480), (38, 479520), (40, 455544), (45, 404928), (48, 379620), (54, 337440), (57, 319680), (60, 303696), (64, 284715), (72, 253080), (74, 246240), (76, 239760), (80, 227772), (81, 224960), (90, 202464), (95, 191808), (96, 189810), (108, 168720), (111, 164160), (114, 159840), (120, 151848), (135, 134976), (144, 126540), (148, 123120), (152, 119880), (160, 113886), (162, 112480), (171, 106560), (180, 101232), (185, 98496), (190, 95904), (192, 94905), (216, 84360), (222, 82080), (228, 79920), (240, 75924), (270, 67488), (285, 63936), (288, 63270), (296, 61560), (304, 59940), (320, 56943), (324, 56240), (333, 54720), (342, 53280), (360, 50616), (370, 49248), (380, 47952), (405, 44992), (432, 42180), (444, 41040), (456, 39960), (480, 37962), (513, 35520), (540, 33744), (555, 32832), (570, 31968), (576, 31635), (592, 30780), (608, 29970), (648, 28120), (666, 27360), (684, 26640), (703, 25920), (720, 25308), (740, 24624), (760, 23976), (810, 22496), (855, 21312), (864, 21090), (888, 20520), (912, 19980), (960, 18981), (999, 18240), (1026, 17760), (1080, 16872), (1110, 16416), (1140, 15984), (1184, 15390), (1216, 14985), (1296, 14060), (1332, 13680), (1368, 13320), (1406, 12960), (1440, 12654), (1480, 12312), (1520, 11988), (1539, 11840), (1620, 11248), (1665, 10944), (1710, 10656), (1728, 10545), (1776, 10260), (1824, 9990), (1998, 9120), (2052, 8880), (2109, 8640), (2160, 8436), (2220, 8208), (2280, 7992), (2368, 7695), (2565, 7104), (2592, 7030), (2664, 6840), (2736, 6660), (2812, 6480), (2880, 6327), (2960, 6156), (2997, 6080), (3040, 5994), (3078, 5920), (3240, 5624), (3330, 5472), (3420, 5328), (3515, 5184), (3552, 5130), (3648, 4995), (3996, 4560), (4104, 4440), (4218, 4320)]