220491840

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{31}}^2\times {\mathrm{239}}^1$

素因数の和:321

約数の個数: 168

約数和(自身を含む): 726399360

約数和(自身を除く): 505907520

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 31, 32, 40, 48, 60, 62, 64, 80, 93, 96, 120, 124, 155, 160, 186, 192, 239, 240, 248, 310, 320, 372, 465, 478, 480, 496, 620, 717, 744, 930, 956, 960, 961, 992, 1195, 1240, 1434, 1488, 1860, 1912, 1922, 1984, 2390, 2480, 2868, 2883, 2976, 3585, 3720, 3824, 3844, 4780, 4805, 4960, 5736, 5766, 5952, 7170, 7409, 7440, 7648, 7688, 9560, 9610, 9920, 11472, 11532, 14340, 14415, 14818, 14880, 15296, 15376, 19120, 19220, 22227, 22944, 23064, 28680, 28830, 29636, 29760, 30752, 37045, 38240, 38440, 44454, 45888, 46128, 57360, 57660, 59272, 61504, 74090, 76480, 76880, 88908, 92256, 111135, 114720, 115320, 118544, 148180, 153760, 177816, 184512, 222270, 229440, 229679, 230640, 237088, 296360, 307520, 355632, 444540, 459358, 461280, 474176, 592720, 689037, 711264, 889080, 918716, 922560, 1148395, 1185440, 1378074, 1422528, 1778160, 1837432, 2296790, 2370880, 2756148, 3445185, 3556320, 3674864, 4593580, 5512296, 6890370, 7112640, 7349728, 9187160, 11024592, 13780740, 14699456, 18374320, 22049184, 27561480, 36748640, 44098368, 55122960, 73497280, 110245920, 220491840]

約数ペア:

[(1, 220491840), (2, 110245920), (3, 73497280), (4, 55122960), (5, 44098368), (6, 36748640), (8, 27561480), (10, 22049184), (12, 18374320), (15, 14699456), (16, 13780740), (20, 11024592), (24, 9187160), (30, 7349728), (31, 7112640), (32, 6890370), (40, 5512296), (48, 4593580), (60, 3674864), (62, 3556320), (64, 3445185), (80, 2756148), (93, 2370880), (96, 2296790), (120, 1837432), (124, 1778160), (155, 1422528), (160, 1378074), (186, 1185440), (192, 1148395), (239, 922560), (240, 918716), (248, 889080), (310, 711264), (320, 689037), (372, 592720), (465, 474176), (478, 461280), (480, 459358), (496, 444540), (620, 355632), (717, 307520), (744, 296360), (930, 237088), (956, 230640), (960, 229679), (961, 229440), (992, 222270), (1195, 184512), (1240, 177816), (1434, 153760), (1488, 148180), (1860, 118544), (1912, 115320), (1922, 114720), (1984, 111135), (2390, 92256), (2480, 88908), (2868, 76880), (2883, 76480), (2976, 74090), (3585, 61504), (3720, 59272), (3824, 57660), (3844, 57360), (4780, 46128), (4805, 45888), (4960, 44454), (5736, 38440), (5766, 38240), (5952, 37045), (7170, 30752), (7409, 29760), (7440, 29636), (7648, 28830), (7688, 28680), (9560, 23064), (9610, 22944), (9920, 22227), (11472, 19220), (11532, 19120), (14340, 15376), (14415, 15296), (14818, 14880)]