247822680

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{31}}^2\times {\mathrm{307}}^1$

素因数の和:390

約数の個数: 192

約数和(自身を含む): 880830720

約数和(自身を除く): 633008040

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 31, 35, 40, 42, 56, 60, 62, 70, 84, 93, 105, 120, 124, 140, 155, 168, 186, 210, 217, 248, 280, 307, 310, 372, 420, 434, 465, 614, 620, 651, 744, 840, 868, 921, 930, 961, 1085, 1228, 1240, 1302, 1535, 1736, 1842, 1860, 1922, 2149, 2170, 2456, 2604, 2883, 3070, 3255, 3684, 3720, 3844, 4298, 4340, 4605, 4805, 5208, 5766, 6140, 6447, 6510, 6727, 7368, 7688, 8596, 8680, 9210, 9517, 9610, 10745, 11532, 12280, 12894, 13020, 13454, 14415, 17192, 18420, 19034, 19220, 20181, 21490, 23064, 25788, 26040, 26908, 28551, 28830, 32235, 33635, 36840, 38068, 38440, 40362, 42980, 47585, 51576, 53816, 57102, 57660, 64470, 66619, 67270, 76136, 80724, 85960, 95170, 100905, 114204, 115320, 128940, 133238, 134540, 142755, 161448, 190340, 199857, 201810, 228408, 257880, 266476, 269080, 285510, 295027, 333095, 380680, 399714, 403620, 532952, 571020, 590054, 666190, 799428, 807240, 885081, 999285, 1142040, 1180108, 1332380, 1475135, 1598856, 1770162, 1998570, 2065189, 2360216, 2664760, 2950270, 3540324, 3997140, 4130378, 4425405, 5900540, 6195567, 7080648, 7994280, 8260756, 8850810, 10325945, 11801080, 12391134, 16521512, 17701620, 20651890, 24782268, 30977835, 35403240, 41303780, 49564536, 61955670, 82607560, 123911340, 247822680]

約数ペア:

[(1, 247822680), (2, 123911340), (3, 82607560), (4, 61955670), (5, 49564536), (6, 41303780), (7, 35403240), (8, 30977835), (10, 24782268), (12, 20651890), (14, 17701620), (15, 16521512), (20, 12391134), (21, 11801080), (24, 10325945), (28, 8850810), (30, 8260756), (31, 7994280), (35, 7080648), (40, 6195567), (42, 5900540), (56, 4425405), (60, 4130378), (62, 3997140), (70, 3540324), (84, 2950270), (93, 2664760), (105, 2360216), (120, 2065189), (124, 1998570), (140, 1770162), (155, 1598856), (168, 1475135), (186, 1332380), (210, 1180108), (217, 1142040), (248, 999285), (280, 885081), (307, 807240), (310, 799428), (372, 666190), (420, 590054), (434, 571020), (465, 532952), (614, 403620), (620, 399714), (651, 380680), (744, 333095), (840, 295027), (868, 285510), (921, 269080), (930, 266476), (961, 257880), (1085, 228408), (1228, 201810), (1240, 199857), (1302, 190340), (1535, 161448), (1736, 142755), (1842, 134540), (1860, 133238), (1922, 128940), (2149, 115320), (2170, 114204), (2456, 100905), (2604, 95170), (2883, 85960), (3070, 80724), (3255, 76136), (3684, 67270), (3720, 66619), (3844, 64470), (4298, 57660), (4340, 57102), (4605, 53816), (4805, 51576), (5208, 47585), (5766, 42980), (6140, 40362), (6447, 38440), (6510, 38068), (6727, 36840), (7368, 33635), (7688, 32235), (8596, 28830), (8680, 28551), (9210, 26908), (9517, 26040), (9610, 25788), (10745, 23064), (11532, 21490), (12280, 20181), (12894, 19220), (13020, 19034), (13454, 18420), (14415, 17192)]