71561280

素因数分解:

$2^6\times 3^1\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{463}}^1$

素因数の和:513

約数の個数: 224

約数和(自身を含む): 271540224

約数和(自身を除く): 199978944

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 23, 24, 28, 30, 32, 35, 40, 42, 46, 48, 56, 60, 64, 69, 70, 80, 84, 92, 96, 105, 112, 115, 120, 138, 140, 160, 161, 168, 184, 192, 210, 224, 230, 240, 276, 280, 320, 322, 336, 345, 368, 420, 448, 460, 463, 480, 483, 552, 560, 644, 672, 690, 736, 805, 840, 920, 926, 960, 966, 1104, 1120, 1288, 1344, 1380, 1389, 1472, 1610, 1680, 1840, 1852, 1932, 2208, 2240, 2315, 2415, 2576, 2760, 2778, 3220, 3241, 3360, 3680, 3704, 3864, 4416, 4630, 4830, 5152, 5520, 5556, 6440, 6482, 6720, 6945, 7360, 7408, 7728, 9260, 9660, 9723, 10304, 10649, 11040, 11112, 12880, 12964, 13890, 14816, 15456, 16205, 18520, 19320, 19446, 21298, 22080, 22224, 25760, 25928, 27780, 29632, 30912, 31947, 32410, 37040, 38640, 38892, 42596, 44448, 48615, 51520, 51856, 53245, 55560, 63894, 64820, 74080, 74543, 77280, 77784, 85192, 88896, 97230, 103712, 106490, 111120, 127788, 129640, 148160, 149086, 154560, 155568, 159735, 170384, 194460, 207424, 212980, 222240, 223629, 255576, 259280, 298172, 311136, 319470, 340768, 372715, 388920, 425960, 444480, 447258, 511152, 518560, 596344, 622272, 638940, 681536, 745430, 777840, 851920, 894516, 1022304, 1037120, 1118145, 1192688, 1277880, 1490860, 1555680, 1703840, 1789032, 2044608, 2236290, 2385376, 2555760, 2981720, 3111360, 3407680, 3578064, 4472580, 4770752, 5111520, 5963440, 7156128, 8945160, 10223040, 11926880, 14312256, 17890320, 23853760, 35780640, 71561280]

約数ペア:

[(1, 71561280), (2, 35780640), (3, 23853760), (4, 17890320), (5, 14312256), (6, 11926880), (7, 10223040), (8, 8945160), (10, 7156128), (12, 5963440), (14, 5111520), (15, 4770752), (16, 4472580), (20, 3578064), (21, 3407680), (23, 3111360), (24, 2981720), (28, 2555760), (30, 2385376), (32, 2236290), (35, 2044608), (40, 1789032), (42, 1703840), (46, 1555680), (48, 1490860), (56, 1277880), (60, 1192688), (64, 1118145), (69, 1037120), (70, 1022304), (80, 894516), (84, 851920), (92, 777840), (96, 745430), (105, 681536), (112, 638940), (115, 622272), (120, 596344), (138, 518560), (140, 511152), (160, 447258), (161, 444480), (168, 425960), (184, 388920), (192, 372715), (210, 340768), (224, 319470), (230, 311136), (240, 298172), (276, 259280), (280, 255576), (320, 223629), (322, 222240), (336, 212980), (345, 207424), (368, 194460), (420, 170384), (448, 159735), (460, 155568), (463, 154560), (480, 149086), (483, 148160), (552, 129640), (560, 127788), (644, 111120), (672, 106490), (690, 103712), (736, 97230), (805, 88896), (840, 85192), (920, 77784), (926, 77280), (960, 74543), (966, 74080), (1104, 64820), (1120, 63894), (1288, 55560), (1344, 53245), (1380, 51856), (1389, 51520), (1472, 48615), (1610, 44448), (1680, 42596), (1840, 38892), (1852, 38640), (1932, 37040), (2208, 32410), (2240, 31947), (2315, 30912), (2415, 29632), (2576, 27780), (2760, 25928), (2778, 25760), (3220, 22224), (3241, 22080), (3360, 21298), (3680, 19446), (3704, 19320), (3864, 18520), (4416, 16205), (4630, 15456), (4830, 14816), (5152, 13890), (5520, 12964), (5556, 12880), (6440, 11112), (6482, 11040), (6720, 10649), (6945, 10304), (7360, 9723), (7408, 9660), (7728, 9260)]