8648920

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{79}}^1$

素因数の和:137

約数の個数: 128

約数和(自身を含む): 24883200

約数和(自身を除く): 16234280

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 17, 20, 23, 28, 34, 35, 40, 46, 56, 68, 70, 79, 85, 92, 115, 119, 136, 140, 158, 161, 170, 184, 230, 238, 280, 316, 322, 340, 391, 395, 460, 476, 553, 595, 632, 644, 680, 782, 790, 805, 920, 952, 1106, 1190, 1288, 1343, 1564, 1580, 1610, 1817, 1955, 2212, 2380, 2686, 2737, 2765, 3128, 3160, 3220, 3634, 3910, 4424, 4760, 5372, 5474, 5530, 6440, 6715, 7268, 7820, 9085, 9401, 10744, 10948, 11060, 12719, 13430, 13685, 14536, 15640, 18170, 18802, 21896, 22120, 25438, 26860, 27370, 30889, 36340, 37604, 47005, 50876, 53720, 54740, 61778, 63595, 72680, 75208, 94010, 101752, 109480, 123556, 127190, 154445, 188020, 216223, 247112, 254380, 308890, 376040, 432446, 508760, 617780, 864892, 1081115, 1235560, 1729784, 2162230, 4324460, 8648920]

約数ペア:

[(1, 8648920), (2, 4324460), (4, 2162230), (5, 1729784), (7, 1235560), (8, 1081115), (10, 864892), (14, 617780), (17, 508760), (20, 432446), (23, 376040), (28, 308890), (34, 254380), (35, 247112), (40, 216223), (46, 188020), (56, 154445), (68, 127190), (70, 123556), (79, 109480), (85, 101752), (92, 94010), (115, 75208), (119, 72680), (136, 63595), (140, 61778), (158, 54740), (161, 53720), (170, 50876), (184, 47005), (230, 37604), (238, 36340), (280, 30889), (316, 27370), (322, 26860), (340, 25438), (391, 22120), (395, 21896), (460, 18802), (476, 18170), (553, 15640), (595, 14536), (632, 13685), (644, 13430), (680, 12719), (782, 11060), (790, 10948), (805, 10744), (920, 9401), (952, 9085), (1106, 7820), (1190, 7268), (1288, 6715), (1343, 6440), (1564, 5530), (1580, 5474), (1610, 5372), (1817, 4760), (1955, 4424), (2212, 3910), (2380, 3634), (2686, 3220), (2737, 3160), (2765, 3128)]