205491840

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{131}}^1$

素因数の和:215

約数の個数: 256

約数和(自身を含む): 710899200

約数和(自身を除く): 505407360

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 19, 20, 24, 30, 32, 38, 40, 43, 48, 57, 60, 64, 76, 80, 86, 95, 96, 114, 120, 128, 129, 131, 152, 160, 172, 190, 192, 215, 228, 240, 258, 262, 285, 304, 320, 344, 380, 384, 393, 430, 456, 480, 516, 524, 570, 608, 640, 645, 655, 688, 760, 786, 817, 860, 912, 960, 1032, 1048, 1140, 1216, 1290, 1310, 1376, 1520, 1572, 1634, 1720, 1824, 1920, 1965, 2064, 2096, 2280, 2432, 2451, 2489, 2580, 2620, 2752, 3040, 3144, 3268, 3440, 3648, 3930, 4085, 4128, 4192, 4560, 4902, 4978, 5160, 5240, 5504, 5633, 6080, 6288, 6536, 6880, 7296, 7467, 7860, 8170, 8256, 8384, 9120, 9804, 9956, 10320, 10480, 11266, 12160, 12255, 12445, 12576, 13072, 13760, 14934, 15720, 16340, 16512, 16768, 16899, 18240, 19608, 19912, 20640, 20960, 22532, 24510, 24890, 25152, 26144, 27520, 28165, 29868, 31440, 32680, 33798, 36480, 37335, 39216, 39824, 41280, 41920, 45064, 49020, 49780, 50304, 52288, 56330, 59736, 62880, 65360, 67596, 74670, 78432, 79648, 82560, 83840, 84495, 90128, 98040, 99560, 104576, 107027, 112660, 119472, 125760, 130720, 135192, 149340, 156864, 159296, 168990, 180256, 196080, 199120, 214054, 225320, 238944, 251520, 261440, 270384, 298680, 313728, 318592, 321081, 337980, 360512, 392160, 398240, 428108, 450640, 477888, 522880, 535135, 540768, 597360, 642162, 675960, 721024, 784320, 796480, 856216, 901280, 955776, 1070270, 1081536, 1194720, 1284324, 1351920, 1568640, 1592960, 1605405, 1712432, 1802560, 2140540, 2163072, 2389440, 2568648, 2703840, 3210810, 3424864, 3605120, 4281080, 4778880, 5137296, 5407680, 6421620, 6849728, 8562160, 10274592, 10815360, 12843240, 13699456, 17124320, 20549184, 25686480, 34248640, 41098368, 51372960, 68497280, 102745920, 205491840]

約数ペア:

[(1, 205491840), (2, 102745920), (3, 68497280), (4, 51372960), (5, 41098368), (6, 34248640), (8, 25686480), (10, 20549184), (12, 17124320), (15, 13699456), (16, 12843240), (19, 10815360), (20, 10274592), (24, 8562160), (30, 6849728), (32, 6421620), (38, 5407680), (40, 5137296), (43, 4778880), (48, 4281080), (57, 3605120), (60, 3424864), (64, 3210810), (76, 2703840), (80, 2568648), (86, 2389440), (95, 2163072), (96, 2140540), (114, 1802560), (120, 1712432), (128, 1605405), (129, 1592960), (131, 1568640), (152, 1351920), (160, 1284324), (172, 1194720), (190, 1081536), (192, 1070270), (215, 955776), (228, 901280), (240, 856216), (258, 796480), (262, 784320), (285, 721024), (304, 675960), (320, 642162), (344, 597360), (380, 540768), (384, 535135), (393, 522880), (430, 477888), (456, 450640), (480, 428108), (516, 398240), (524, 392160), (570, 360512), (608, 337980), (640, 321081), (645, 318592), (655, 313728), (688, 298680), (760, 270384), (786, 261440), (817, 251520), (860, 238944), (912, 225320), (960, 214054), (1032, 199120), (1048, 196080), (1140, 180256), (1216, 168990), (1290, 159296), (1310, 156864), (1376, 149340), (1520, 135192), (1572, 130720), (1634, 125760), (1720, 119472), (1824, 112660), (1920, 107027), (1965, 104576), (2064, 99560), (2096, 98040), (2280, 90128), (2432, 84495), (2451, 83840), (2489, 82560), (2580, 79648), (2620, 78432), (2752, 74670), (3040, 67596), (3144, 65360), (3268, 62880), (3440, 59736), (3648, 56330), (3930, 52288), (4085, 50304), (4128, 49780), (4192, 49020), (4560, 45064), (4902, 41920), (4978, 41280), (5160, 39824), (5240, 39216), (5504, 37335), (5633, 36480), (6080, 33798), (6288, 32680), (6536, 31440), (6880, 29868), (7296, 28165), (7467, 27520), (7860, 26144), (8170, 25152), (8256, 24890), (8384, 24510), (9120, 22532), (9804, 20960), (9956, 20640), (10320, 19912), (10480, 19608), (11266, 18240), (12160, 16899), (12255, 16768), (12445, 16512), (12576, 16340), (13072, 15720), (13760, 14934)]