218977800

素因数分解:

$2^3\times 3^1\times 5^2\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{193}}^1$

素因数の和:304

約数の個数: 192

約数和(自身を含む): 715906560

約数和(自身を除く): 496928760

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 25, 30, 31, 40, 50, 60, 61, 62, 75, 93, 100, 120, 122, 124, 150, 155, 183, 186, 193, 200, 244, 248, 300, 305, 310, 366, 372, 386, 465, 488, 579, 600, 610, 620, 732, 744, 772, 775, 915, 930, 965, 1158, 1220, 1240, 1464, 1525, 1544, 1550, 1830, 1860, 1891, 1930, 2316, 2325, 2440, 2895, 3050, 3100, 3660, 3720, 3782, 3860, 4575, 4632, 4650, 4825, 5673, 5790, 5983, 6100, 6200, 7320, 7564, 7720, 9150, 9300, 9455, 9650, 11346, 11580, 11773, 11966, 12200, 14475, 15128, 17949, 18300, 18600, 18910, 19300, 22692, 23160, 23546, 23932, 28365, 28950, 29915, 35319, 35898, 36600, 37820, 38600, 45384, 47092, 47275, 47864, 56730, 57900, 58865, 59830, 70638, 71796, 75640, 89745, 94184, 94550, 113460, 115800, 117730, 119660, 141276, 141825, 143592, 149575, 176595, 179490, 189100, 226920, 235460, 239320, 282552, 283650, 294325, 299150, 353190, 358980, 364963, 378200, 448725, 470920, 567300, 588650, 598300, 706380, 717960, 729926, 882975, 897450, 1094889, 1134600, 1177300, 1196600, 1412760, 1459852, 1765950, 1794900, 1824815, 2189778, 2354600, 2919704, 3531900, 3589800, 3649630, 4379556, 5474445, 7063800, 7299260, 8759112, 9124075, 10948890, 14598520, 18248150, 21897780, 27372225, 36496300, 43795560, 54744450, 72992600, 109488900, 218977800]

約数ペア:

[(1, 218977800), (2, 109488900), (3, 72992600), (4, 54744450), (5, 43795560), (6, 36496300), (8, 27372225), (10, 21897780), (12, 18248150), (15, 14598520), (20, 10948890), (24, 9124075), (25, 8759112), (30, 7299260), (31, 7063800), (40, 5474445), (50, 4379556), (60, 3649630), (61, 3589800), (62, 3531900), (75, 2919704), (93, 2354600), (100, 2189778), (120, 1824815), (122, 1794900), (124, 1765950), (150, 1459852), (155, 1412760), (183, 1196600), (186, 1177300), (193, 1134600), (200, 1094889), (244, 897450), (248, 882975), (300, 729926), (305, 717960), (310, 706380), (366, 598300), (372, 588650), (386, 567300), (465, 470920), (488, 448725), (579, 378200), (600, 364963), (610, 358980), (620, 353190), (732, 299150), (744, 294325), (772, 283650), (775, 282552), (915, 239320), (930, 235460), (965, 226920), (1158, 189100), (1220, 179490), (1240, 176595), (1464, 149575), (1525, 143592), (1544, 141825), (1550, 141276), (1830, 119660), (1860, 117730), (1891, 115800), (1930, 113460), (2316, 94550), (2325, 94184), (2440, 89745), (2895, 75640), (3050, 71796), (3100, 70638), (3660, 59830), (3720, 58865), (3782, 57900), (3860, 56730), (4575, 47864), (4632, 47275), (4650, 47092), (4825, 45384), (5673, 38600), (5790, 37820), (5983, 36600), (6100, 35898), (6200, 35319), (7320, 29915), (7564, 28950), (7720, 28365), (9150, 23932), (9300, 23546), (9455, 23160), (9650, 22692), (11346, 19300), (11580, 18910), (11773, 18600), (11966, 18300), (12200, 17949), (14475, 15128)]