21818160

素因数分解:

$2^4\times 3^4\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1$

素因数の和:82

約数の個数: 400

約数和(自身を含む): 95785536

約数和(自身を除く): 73967376

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, 37, 39, 40, 42, 45, 48, 52, 54, 56, 60, 63, 65, 70, 72, 74, 78, 80, 81, 84, 90, 91, 104, 105, 108, 111, 112, 117, 120, 126, 130, 135, 140, 144, 148, 156, 162, 168, 180, 182, 185, 189, 195, 208, 210, 216, 222, 234, 240, 252, 259, 260, 270, 273, 280, 296, 312, 315, 324, 333, 336, 351, 360, 364, 370, 378, 390, 405, 420, 432, 444, 455, 468, 481, 504, 518, 520, 540, 546, 555, 560, 567, 585, 592, 624, 630, 648, 666, 702, 720, 728, 740, 756, 777, 780, 810, 819, 840, 888, 910, 936, 945, 962, 999, 1008, 1036, 1040, 1053, 1080, 1092, 1110, 1134, 1170, 1260, 1295, 1296, 1332, 1365, 1404, 1443, 1456, 1480, 1512, 1554, 1560, 1620, 1638, 1665, 1680, 1755, 1776, 1820, 1872, 1890, 1924, 1998, 2072, 2106, 2160, 2184, 2220, 2268, 2331, 2340, 2405, 2457, 2520, 2590, 2664, 2730, 2808, 2835, 2886, 2960, 2997, 3024, 3108, 3120, 3240, 3276, 3330, 3367, 3510, 3640, 3780, 3848, 3885, 3996, 4095, 4144, 4212, 4329, 4368, 4440, 4536, 4662, 4680, 4810, 4914, 4995, 5040, 5180, 5265, 5328, 5460, 5616, 5670, 5772, 5994, 6216, 6480, 6552, 6660, 6734, 6993, 7020, 7215, 7280, 7371, 7560, 7696, 7770, 7992, 8190, 8424, 8658, 8880, 9072, 9324, 9360, 9620, 9828, 9990, 10101, 10360, 10530, 10920, 11340, 11544, 11655, 11988, 12285, 12432, 12987, 13104, 13320, 13468, 13986, 14040, 14430, 14742, 14985, 15120, 15540, 15984, 16380, 16835, 16848, 17316, 18648, 19240, 19656, 19980, 20202, 20720, 20979, 21060, 21645, 21840, 22680, 23088, 23310, 23976, 24570, 25974, 26640, 26936, 27972, 28080, 28860, 29484, 29970, 30303, 31080, 32760, 33670, 34632, 34965, 36855, 37296, 38480, 38961, 39312, 39960, 40404, 41958, 42120, 43290, 45360, 46620, 47952, 49140, 50505, 51948, 53872, 55944, 57720, 58968, 59940, 60606, 62160, 64935, 65520, 67340, 69264, 69930, 73710, 77922, 79920, 80808, 83916, 84240, 86580, 90909, 93240, 98280, 101010, 103896, 104895, 111888, 115440, 117936, 119880, 121212, 129870, 134680, 139860, 147420, 151515, 155844, 161616, 167832, 173160, 181818, 186480, 194805, 196560, 202020, 207792, 209790, 239760, 242424, 259740, 269360, 272727, 279720, 294840, 303030, 311688, 335664, 346320, 363636, 389610, 404040, 419580, 454545, 484848, 519480, 545454, 559440, 589680, 606060, 623376, 727272, 779220, 808080, 839160, 909090, 1038960, 1090908, 1212120, 1363635, 1454544, 1558440, 1678320, 1818180, 2181816, 2424240, 2727270, 3116880, 3636360, 4363632, 5454540, 7272720, 10909080, 21818160]

約数ペア:

[(1, 21818160), (2, 10909080), (3, 7272720), (4, 5454540), (5, 4363632), (6, 3636360), (7, 3116880), (8, 2727270), (9, 2424240), (10, 2181816), (12, 1818180), (13, 1678320), (14, 1558440), (15, 1454544), (16, 1363635), (18, 1212120), (20, 1090908), (21, 1038960), (24, 909090), (26, 839160), (27, 808080), (28, 779220), (30, 727272), (35, 623376), (36, 606060), (37, 589680), (39, 559440), (40, 545454), (42, 519480), (45, 484848), (48, 454545), (52, 419580), (54, 404040), (56, 389610), (60, 363636), (63, 346320), (65, 335664), (70, 311688), (72, 303030), (74, 294840), (78, 279720), (80, 272727), (81, 269360), (84, 259740), (90, 242424), (91, 239760), (104, 209790), (105, 207792), (108, 202020), (111, 196560), (112, 194805), (117, 186480), (120, 181818), (126, 173160), (130, 167832), (135, 161616), (140, 155844), (144, 151515), (148, 147420), (156, 139860), (162, 134680), (168, 129870), (180, 121212), (182, 119880), (185, 117936), (189, 115440), (195, 111888), (208, 104895), (210, 103896), (216, 101010), (222, 98280), (234, 93240), (240, 90909), (252, 86580), (259, 84240), (260, 83916), (270, 80808), (273, 79920), (280, 77922), (296, 73710), (312, 69930), (315, 69264), (324, 67340), (333, 65520), (336, 64935), (351, 62160), (360, 60606), (364, 59940), (370, 58968), (378, 57720), (390, 55944), (405, 53872), (420, 51948), (432, 50505), (444, 49140), (455, 47952), (468, 46620), (481, 45360), (504, 43290), (518, 42120), (520, 41958), (540, 40404), (546, 39960), (555, 39312), (560, 38961), (567, 38480), (585, 37296), (592, 36855), (624, 34965), (630, 34632), (648, 33670), (666, 32760), (702, 31080), (720, 30303), (728, 29970), (740, 29484), (756, 28860), (777, 28080), (780, 27972), (810, 26936), (819, 26640), (840, 25974), (888, 24570), (910, 23976), (936, 23310), (945, 23088), (962, 22680), (999, 21840), (1008, 21645), (1036, 21060), (1040, 20979), (1053, 20720), (1080, 20202), (1092, 19980), (1110, 19656), (1134, 19240), (1170, 18648), (1260, 17316), (1295, 16848), (1296, 16835), (1332, 16380), (1365, 15984), (1404, 15540), (1443, 15120), (1456, 14985), (1480, 14742), (1512, 14430), (1554, 14040), (1560, 13986), (1620, 13468), (1638, 13320), (1665, 13104), (1680, 12987), (1755, 12432), (1776, 12285), (1820, 11988), (1872, 11655), (1890, 11544), (1924, 11340), (1998, 10920), (2072, 10530), (2106, 10360), (2160, 10101), (2184, 9990), (2220, 9828), (2268, 9620), (2331, 9360), (2340, 9324), (2405, 9072), (2457, 8880), (2520, 8658), (2590, 8424), (2664, 8190), (2730, 7992), (2808, 7770), (2835, 7696), (2886, 7560), (2960, 7371), (2997, 7280), (3024, 7215), (3108, 7020), (3120, 6993), (3240, 6734), (3276, 6660), (3330, 6552), (3367, 6480), (3510, 6216), (3640, 5994), (3780, 5772), (3848, 5670), (3885, 5616), (3996, 5460), (4095, 5328), (4144, 5265), (4212, 5180), (4329, 5040), (4368, 4995), (4440, 4914), (4536, 4810), (4662, 4680)]