218478120

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{199}}^1\times {\mathrm{1307}}^1$

素因数の和:1527

約数の個数: 128

約数和(自身を含む): 753408000

約数和(自身を除く): 534929880

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 199, 210, 280, 398, 420, 597, 796, 840, 995, 1194, 1307, 1393, 1592, 1990, 2388, 2614, 2786, 2985, 3921, 3980, 4179, 4776, 5228, 5572, 5970, 6535, 6965, 7842, 7960, 8358, 9149, 10456, 11144, 11940, 13070, 13930, 15684, 16716, 18298, 19605, 20895, 23880, 26140, 27447, 27860, 31368, 33432, 36596, 39210, 41790, 45745, 52280, 54894, 55720, 73192, 78420, 83580, 91490, 109788, 137235, 156840, 167160, 182980, 219576, 260093, 274470, 365960, 520186, 548940, 780279, 1040372, 1097880, 1300465, 1560558, 1820651, 2080744, 2600930, 3121116, 3641302, 3901395, 5201860, 5461953, 6242232, 7282604, 7802790, 9103255, 10403720, 10923906, 14565208, 15605580, 18206510, 21847812, 27309765, 31211160, 36413020, 43695624, 54619530, 72826040, 109239060, 218478120]

約数ペア:

[(1, 218478120), (2, 109239060), (3, 72826040), (4, 54619530), (5, 43695624), (6, 36413020), (7, 31211160), (8, 27309765), (10, 21847812), (12, 18206510), (14, 15605580), (15, 14565208), (20, 10923906), (21, 10403720), (24, 9103255), (28, 7802790), (30, 7282604), (35, 6242232), (40, 5461953), (42, 5201860), (56, 3901395), (60, 3641302), (70, 3121116), (84, 2600930), (105, 2080744), (120, 1820651), (140, 1560558), (168, 1300465), (199, 1097880), (210, 1040372), (280, 780279), (398, 548940), (420, 520186), (597, 365960), (796, 274470), (840, 260093), (995, 219576), (1194, 182980), (1307, 167160), (1393, 156840), (1592, 137235), (1990, 109788), (2388, 91490), (2614, 83580), (2786, 78420), (2985, 73192), (3921, 55720), (3980, 54894), (4179, 52280), (4776, 45745), (5228, 41790), (5572, 39210), (5970, 36596), (6535, 33432), (6965, 31368), (7842, 27860), (7960, 27447), (8358, 26140), (9149, 23880), (10456, 20895), (11144, 19605), (11940, 18298), (13070, 16716), (13930, 15684)]