86878920

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{113}}^1\times {\mathrm{149}}^1$

素因数の和:319

約数の個数: 128

約数和(自身を含む): 270864000

約数和(自身を除く): 183985080

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 43, 60, 86, 113, 120, 129, 149, 172, 215, 226, 258, 298, 339, 344, 430, 447, 452, 516, 565, 596, 645, 678, 745, 860, 894, 904, 1032, 1130, 1192, 1290, 1356, 1490, 1695, 1720, 1788, 2235, 2260, 2580, 2712, 2980, 3390, 3576, 4470, 4520, 4859, 5160, 5960, 6407, 6780, 8940, 9718, 12814, 13560, 14577, 16837, 17880, 19221, 19436, 24295, 25628, 29154, 32035, 33674, 38442, 38872, 48590, 50511, 51256, 58308, 64070, 67348, 72885, 76884, 84185, 96105, 97180, 101022, 116616, 128140, 134696, 145770, 153768, 168370, 192210, 194360, 202044, 252555, 256280, 291540, 336740, 384420, 404088, 505110, 583080, 673480, 723991, 768840, 1010220, 1447982, 2020440, 2171973, 2895964, 3619955, 4343946, 5791928, 7239910, 8687892, 10859865, 14479820, 17375784, 21719730, 28959640, 43439460, 86878920]

約数ペア:

[(1, 86878920), (2, 43439460), (3, 28959640), (4, 21719730), (5, 17375784), (6, 14479820), (8, 10859865), (10, 8687892), (12, 7239910), (15, 5791928), (20, 4343946), (24, 3619955), (30, 2895964), (40, 2171973), (43, 2020440), (60, 1447982), (86, 1010220), (113, 768840), (120, 723991), (129, 673480), (149, 583080), (172, 505110), (215, 404088), (226, 384420), (258, 336740), (298, 291540), (339, 256280), (344, 252555), (430, 202044), (447, 194360), (452, 192210), (516, 168370), (565, 153768), (596, 145770), (645, 134696), (678, 128140), (745, 116616), (860, 101022), (894, 97180), (904, 96105), (1032, 84185), (1130, 76884), (1192, 72885), (1290, 67348), (1356, 64070), (1490, 58308), (1695, 51256), (1720, 50511), (1788, 48590), (2235, 38872), (2260, 38442), (2580, 33674), (2712, 32035), (2980, 29154), (3390, 25628), (3576, 24295), (4470, 19436), (4520, 19221), (4859, 17880), (5160, 16837), (5960, 14577), (6407, 13560), (6780, 12814), (8940, 9718)]