209810720

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{83}}^1$

素因数の和:203

約数の個数: 192

約数和(自身を含む): 598461696

約数和(自身を除く): 388650976

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 37, 40, 56, 61, 70, 74, 80, 83, 112, 122, 140, 148, 160, 166, 185, 224, 244, 259, 280, 296, 305, 332, 370, 415, 427, 488, 518, 560, 581, 592, 610, 664, 740, 830, 854, 976, 1036, 1120, 1162, 1184, 1220, 1295, 1328, 1480, 1660, 1708, 1952, 2072, 2135, 2257, 2324, 2440, 2590, 2656, 2905, 2960, 3071, 3320, 3416, 4144, 4270, 4514, 4648, 4880, 5063, 5180, 5810, 5920, 6142, 6640, 6832, 8288, 8540, 9028, 9296, 9760, 10126, 10360, 11285, 11620, 12284, 13280, 13664, 15355, 15799, 17080, 18056, 18592, 20252, 20720, 21497, 22570, 23240, 24568, 25315, 30710, 31598, 34160, 35441, 36112, 40504, 41440, 42994, 45140, 46480, 49136, 50630, 61420, 63196, 68320, 70882, 72224, 78995, 81008, 85988, 90280, 92960, 98272, 101260, 107485, 122840, 126392, 141764, 157990, 162016, 171976, 177205, 180560, 187331, 202520, 214970, 245680, 252784, 283528, 315980, 343952, 354410, 361120, 374662, 405040, 429940, 491360, 505568, 567056, 631960, 687904, 708820, 749324, 810080, 859880, 936655, 1134112, 1263920, 1311317, 1417640, 1498648, 1719760, 1873310, 2527840, 2622634, 2835280, 2997296, 3439520, 3746620, 5245268, 5670560, 5994592, 6556585, 7493240, 10490536, 13113170, 14986480, 20981072, 26226340, 29972960, 41962144, 52452680, 104905360, 209810720]

約数ペア:

[(1, 209810720), (2, 104905360), (4, 52452680), (5, 41962144), (7, 29972960), (8, 26226340), (10, 20981072), (14, 14986480), (16, 13113170), (20, 10490536), (28, 7493240), (32, 6556585), (35, 5994592), (37, 5670560), (40, 5245268), (56, 3746620), (61, 3439520), (70, 2997296), (74, 2835280), (80, 2622634), (83, 2527840), (112, 1873310), (122, 1719760), (140, 1498648), (148, 1417640), (160, 1311317), (166, 1263920), (185, 1134112), (224, 936655), (244, 859880), (259, 810080), (280, 749324), (296, 708820), (305, 687904), (332, 631960), (370, 567056), (415, 505568), (427, 491360), (488, 429940), (518, 405040), (560, 374662), (581, 361120), (592, 354410), (610, 343952), (664, 315980), (740, 283528), (830, 252784), (854, 245680), (976, 214970), (1036, 202520), (1120, 187331), (1162, 180560), (1184, 177205), (1220, 171976), (1295, 162016), (1328, 157990), (1480, 141764), (1660, 126392), (1708, 122840), (1952, 107485), (2072, 101260), (2135, 98272), (2257, 92960), (2324, 90280), (2440, 85988), (2590, 81008), (2656, 78995), (2905, 72224), (2960, 70882), (3071, 68320), (3320, 63196), (3416, 61420), (4144, 50630), (4270, 49136), (4514, 46480), (4648, 45140), (4880, 42994), (5063, 41440), (5180, 40504), (5810, 36112), (5920, 35441), (6142, 34160), (6640, 31598), (6832, 30710), (8288, 25315), (8540, 24568), (9028, 23240), (9296, 22570), (9760, 21497), (10126, 20720), (10360, 20252), (11285, 18592), (11620, 18056), (12284, 17080), (13280, 15799), (13664, 15355)]