205554240

素因数分解:

$2^6\times 3^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{643}}^1$

素因数の和:706

約数の個数: 224

約数和(自身を含む): 745906560

約数和(自身を除く): 540352320

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 37, 40, 45, 48, 54, 60, 64, 72, 74, 80, 90, 96, 108, 111, 120, 135, 144, 148, 160, 180, 185, 192, 216, 222, 240, 270, 288, 296, 320, 333, 360, 370, 432, 444, 480, 540, 555, 576, 592, 643, 666, 720, 740, 864, 888, 960, 999, 1080, 1110, 1184, 1286, 1332, 1440, 1480, 1665, 1728, 1776, 1929, 1998, 2160, 2220, 2368, 2572, 2664, 2880, 2960, 3215, 3330, 3552, 3858, 3996, 4320, 4440, 4995, 5144, 5328, 5787, 5920, 6430, 6660, 7104, 7716, 7992, 8640, 8880, 9645, 9990, 10288, 10656, 11574, 11840, 12860, 13320, 15432, 15984, 17361, 17760, 19290, 19980, 20576, 21312, 23148, 23791, 25720, 26640, 28935, 30864, 31968, 34722, 35520, 38580, 39960, 41152, 46296, 47582, 51440, 53280, 57870, 61728, 63936, 69444, 71373, 77160, 79920, 86805, 92592, 95164, 102880, 106560, 115740, 118955, 123456, 138888, 142746, 154320, 159840, 173610, 185184, 190328, 205760, 214119, 231480, 237910, 277776, 285492, 308640, 319680, 347220, 356865, 370368, 380656, 428238, 462960, 475820, 555552, 570984, 617280, 642357, 694440, 713730, 761312, 856476, 925920, 951640, 1070595, 1111104, 1141968, 1284714, 1388880, 1427460, 1522624, 1712952, 1851840, 1903280, 2141190, 2283936, 2569428, 2777760, 2854920, 3211785, 3425904, 3806560, 4282380, 4567872, 5138856, 5555520, 5709840, 6423570, 6851808, 7613120, 8564760, 10277712, 11419680, 12847140, 13703616, 17129520, 20555424, 22839360, 25694280, 34259040, 41110848, 51388560, 68518080, 102777120, 205554240]

約数ペア:

[(1, 205554240), (2, 102777120), (3, 68518080), (4, 51388560), (5, 41110848), (6, 34259040), (8, 25694280), (9, 22839360), (10, 20555424), (12, 17129520), (15, 13703616), (16, 12847140), (18, 11419680), (20, 10277712), (24, 8564760), (27, 7613120), (30, 6851808), (32, 6423570), (36, 5709840), (37, 5555520), (40, 5138856), (45, 4567872), (48, 4282380), (54, 3806560), (60, 3425904), (64, 3211785), (72, 2854920), (74, 2777760), (80, 2569428), (90, 2283936), (96, 2141190), (108, 1903280), (111, 1851840), (120, 1712952), (135, 1522624), (144, 1427460), (148, 1388880), (160, 1284714), (180, 1141968), (185, 1111104), (192, 1070595), (216, 951640), (222, 925920), (240, 856476), (270, 761312), (288, 713730), (296, 694440), (320, 642357), (333, 617280), (360, 570984), (370, 555552), (432, 475820), (444, 462960), (480, 428238), (540, 380656), (555, 370368), (576, 356865), (592, 347220), (643, 319680), (666, 308640), (720, 285492), (740, 277776), (864, 237910), (888, 231480), (960, 214119), (999, 205760), (1080, 190328), (1110, 185184), (1184, 173610), (1286, 159840), (1332, 154320), (1440, 142746), (1480, 138888), (1665, 123456), (1728, 118955), (1776, 115740), (1929, 106560), (1998, 102880), (2160, 95164), (2220, 92592), (2368, 86805), (2572, 79920), (2664, 77160), (2880, 71373), (2960, 69444), (3215, 63936), (3330, 61728), (3552, 57870), (3858, 53280), (3996, 51440), (4320, 47582), (4440, 46296), (4995, 41152), (5144, 39960), (5328, 38580), (5787, 35520), (5920, 34722), (6430, 31968), (6660, 30864), (7104, 28935), (7716, 26640), (7992, 25720), (8640, 23791), (8880, 23148), (9645, 21312), (9990, 20576), (10288, 19980), (10656, 19290), (11574, 17760), (11840, 17361), (12860, 15984), (13320, 15432)]