209973120

素因数分解:

$2^7\times 3^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{919}}^1$

素因数の和:965

約数の個数: 256

約数和(自身を含む): 810777600

約数和(自身を除く): 600804480

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 17, 20, 21, 24, 28, 30, 32, 34, 35, 40, 42, 48, 51, 56, 60, 64, 68, 70, 80, 84, 85, 96, 102, 105, 112, 119, 120, 128, 136, 140, 160, 168, 170, 192, 204, 210, 224, 238, 240, 255, 272, 280, 320, 336, 340, 357, 384, 408, 420, 448, 476, 480, 510, 544, 560, 595, 640, 672, 680, 714, 816, 840, 896, 919, 952, 960, 1020, 1088, 1120, 1190, 1344, 1360, 1428, 1632, 1680, 1785, 1838, 1904, 1920, 2040, 2176, 2240, 2380, 2688, 2720, 2757, 2856, 3264, 3360, 3570, 3676, 3808, 4080, 4480, 4595, 4760, 5440, 5514, 5712, 6433, 6528, 6720, 7140, 7352, 7616, 8160, 9190, 9520, 10880, 11028, 11424, 12866, 13440, 13785, 14280, 14704, 15232, 15623, 16320, 18380, 19040, 19299, 22056, 22848, 25732, 27570, 28560, 29408, 31246, 32165, 32640, 36760, 38080, 38598, 44112, 45696, 46869, 51464, 55140, 57120, 58816, 62492, 64330, 73520, 76160, 77196, 78115, 88224, 93738, 96495, 102928, 109361, 110280, 114240, 117632, 124984, 128660, 147040, 154392, 156230, 176448, 187476, 192990, 205856, 218722, 220560, 228480, 234345, 249968, 257320, 294080, 308784, 312460, 328083, 352896, 374952, 385980, 411712, 437444, 441120, 468690, 499936, 514640, 546805, 588160, 617568, 624920, 656166, 749904, 771960, 823424, 874888, 882240, 937380, 999872, 1029280, 1093610, 1235136, 1249840, 1312332, 1499808, 1543920, 1640415, 1749776, 1764480, 1874760, 1999744, 2058560, 2187220, 2470272, 2499680, 2624664, 2999616, 3087840, 3280830, 3499552, 3749520, 4117120, 4374440, 4999360, 5249328, 5999232, 6175680, 6561660, 6999104, 7499040, 8748880, 9998720, 10498656, 12351360, 13123320, 13998208, 14998080, 17497760, 20997312, 26246640, 29996160, 34995520, 41994624, 52493280, 69991040, 104986560, 209973120]

約数ペア:

[(1, 209973120), (2, 104986560), (3, 69991040), (4, 52493280), (5, 41994624), (6, 34995520), (7, 29996160), (8, 26246640), (10, 20997312), (12, 17497760), (14, 14998080), (15, 13998208), (16, 13123320), (17, 12351360), (20, 10498656), (21, 9998720), (24, 8748880), (28, 7499040), (30, 6999104), (32, 6561660), (34, 6175680), (35, 5999232), (40, 5249328), (42, 4999360), (48, 4374440), (51, 4117120), (56, 3749520), (60, 3499552), (64, 3280830), (68, 3087840), (70, 2999616), (80, 2624664), (84, 2499680), (85, 2470272), (96, 2187220), (102, 2058560), (105, 1999744), (112, 1874760), (119, 1764480), (120, 1749776), (128, 1640415), (136, 1543920), (140, 1499808), (160, 1312332), (168, 1249840), (170, 1235136), (192, 1093610), (204, 1029280), (210, 999872), (224, 937380), (238, 882240), (240, 874888), (255, 823424), (272, 771960), (280, 749904), (320, 656166), (336, 624920), (340, 617568), (357, 588160), (384, 546805), (408, 514640), (420, 499936), (448, 468690), (476, 441120), (480, 437444), (510, 411712), (544, 385980), (560, 374952), (595, 352896), (640, 328083), (672, 312460), (680, 308784), (714, 294080), (816, 257320), (840, 249968), (896, 234345), (919, 228480), (952, 220560), (960, 218722), (1020, 205856), (1088, 192990), (1120, 187476), (1190, 176448), (1344, 156230), (1360, 154392), (1428, 147040), (1632, 128660), (1680, 124984), (1785, 117632), (1838, 114240), (1904, 110280), (1920, 109361), (2040, 102928), (2176, 96495), (2240, 93738), (2380, 88224), (2688, 78115), (2720, 77196), (2757, 76160), (2856, 73520), (3264, 64330), (3360, 62492), (3570, 58816), (3676, 57120), (3808, 55140), (4080, 51464), (4480, 46869), (4595, 45696), (4760, 44112), (5440, 38598), (5514, 38080), (5712, 36760), (6433, 32640), (6528, 32165), (6720, 31246), (7140, 29408), (7352, 28560), (7616, 27570), (8160, 25732), (9190, 22848), (9520, 22056), (10880, 19299), (11028, 19040), (11424, 18380), (12866, 16320), (13440, 15623), (13785, 15232), (14280, 14704)]