204854580

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{199}}^1$

素因数の和:283

約数の個数: 288

約数和(自身を含む): 768768000

約数和(自身を除く): 563913420

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 19, 20, 21, 28, 30, 35, 36, 38, 42, 43, 45, 57, 60, 63, 70, 76, 84, 86, 90, 95, 105, 114, 126, 129, 133, 140, 171, 172, 180, 190, 199, 210, 215, 228, 252, 258, 266, 285, 301, 315, 342, 380, 387, 398, 399, 420, 430, 516, 532, 570, 597, 602, 630, 645, 665, 684, 774, 796, 798, 817, 855, 860, 903, 995, 1140, 1194, 1197, 1204, 1260, 1290, 1330, 1393, 1505, 1548, 1596, 1634, 1710, 1791, 1806, 1935, 1990, 1995, 2388, 2394, 2451, 2580, 2660, 2709, 2786, 2985, 3010, 3268, 3420, 3582, 3612, 3781, 3870, 3980, 3990, 4085, 4179, 4515, 4788, 4902, 5418, 5572, 5719, 5970, 5985, 6020, 6965, 7164, 7353, 7562, 7740, 7980, 8170, 8358, 8557, 8955, 9030, 9804, 10836, 11343, 11438, 11940, 11970, 12255, 12537, 13545, 13930, 14706, 15124, 16340, 16716, 17114, 17157, 17910, 18060, 18905, 20895, 22686, 22876, 23940, 24510, 25074, 25671, 26467, 27090, 27860, 28595, 29412, 34029, 34228, 34314, 35820, 36765, 37810, 41790, 42785, 45372, 49020, 50148, 51342, 51471, 52934, 54180, 56715, 57190, 59899, 62685, 68058, 68628, 73530, 75620, 77013, 79401, 83580, 85570, 85785, 102684, 102942, 105868, 113430, 114380, 119798, 125370, 128355, 132335, 136116, 147060, 154026, 158802, 162583, 170145, 171140, 171570, 179697, 205884, 226860, 238203, 239596, 250740, 256710, 257355, 264670, 299495, 308052, 317604, 325166, 340290, 343140, 359394, 385065, 397005, 476406, 487749, 513420, 514710, 529340, 539091, 598990, 650332, 680580, 718788, 770130, 794010, 812915, 898485, 952812, 975498, 1029420, 1078182, 1138081, 1191015, 1197980, 1463247, 1540260, 1588020, 1625830, 1796970, 1950996, 2156364, 2276162, 2382030, 2438745, 2695455, 2926494, 3251660, 3414243, 3593940, 4552324, 4764060, 4877490, 5390910, 5690405, 5852988, 6828486, 7316235, 9754980, 10242729, 10781820, 11380810, 13656972, 14632470, 17071215, 20485458, 22761620, 29264940, 34142430, 40970916, 51213645, 68284860, 102427290, 204854580]

約数ペア:

[(1, 204854580), (2, 102427290), (3, 68284860), (4, 51213645), (5, 40970916), (6, 34142430), (7, 29264940), (9, 22761620), (10, 20485458), (12, 17071215), (14, 14632470), (15, 13656972), (18, 11380810), (19, 10781820), (20, 10242729), (21, 9754980), (28, 7316235), (30, 6828486), (35, 5852988), (36, 5690405), (38, 5390910), (42, 4877490), (43, 4764060), (45, 4552324), (57, 3593940), (60, 3414243), (63, 3251660), (70, 2926494), (76, 2695455), (84, 2438745), (86, 2382030), (90, 2276162), (95, 2156364), (105, 1950996), (114, 1796970), (126, 1625830), (129, 1588020), (133, 1540260), (140, 1463247), (171, 1197980), (172, 1191015), (180, 1138081), (190, 1078182), (199, 1029420), (210, 975498), (215, 952812), (228, 898485), (252, 812915), (258, 794010), (266, 770130), (285, 718788), (301, 680580), (315, 650332), (342, 598990), (380, 539091), (387, 529340), (398, 514710), (399, 513420), (420, 487749), (430, 476406), (516, 397005), (532, 385065), (570, 359394), (597, 343140), (602, 340290), (630, 325166), (645, 317604), (665, 308052), (684, 299495), (774, 264670), (796, 257355), (798, 256710), (817, 250740), (855, 239596), (860, 238203), (903, 226860), (995, 205884), (1140, 179697), (1194, 171570), (1197, 171140), (1204, 170145), (1260, 162583), (1290, 158802), (1330, 154026), (1393, 147060), (1505, 136116), (1548, 132335), (1596, 128355), (1634, 125370), (1710, 119798), (1791, 114380), (1806, 113430), (1935, 105868), (1990, 102942), (1995, 102684), (2388, 85785), (2394, 85570), (2451, 83580), (2580, 79401), (2660, 77013), (2709, 75620), (2786, 73530), (2985, 68628), (3010, 68058), (3268, 62685), (3420, 59899), (3582, 57190), (3612, 56715), (3781, 54180), (3870, 52934), (3980, 51471), (3990, 51342), (4085, 50148), (4179, 49020), (4515, 45372), (4788, 42785), (4902, 41790), (5418, 37810), (5572, 36765), (5719, 35820), (5970, 34314), (5985, 34228), (6020, 34029), (6965, 29412), (7164, 28595), (7353, 27860), (7562, 27090), (7740, 26467), (7980, 25671), (8170, 25074), (8358, 24510), (8557, 23940), (8955, 22876), (9030, 22686), (9804, 20895), (10836, 18905), (11343, 18060), (11438, 17910), (11940, 17157), (11970, 17114), (12255, 16716), (12537, 16340), (13545, 15124), (13930, 14706)]