85431660

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{1997}}^1$

素因数の和:2063

約数の個数: 96

約数和(自身を含む): 257789952

約数和(自身を除く): 172358292

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 23, 30, 31, 46, 60, 62, 69, 92, 93, 115, 124, 138, 155, 186, 230, 276, 310, 345, 372, 460, 465, 620, 690, 713, 930, 1380, 1426, 1860, 1997, 2139, 2852, 3565, 3994, 4278, 5991, 7130, 7988, 8556, 9985, 10695, 11982, 14260, 19970, 21390, 23964, 29955, 39940, 42780, 45931, 59910, 61907, 91862, 119820, 123814, 137793, 183724, 185721, 229655, 247628, 275586, 309535, 371442, 459310, 551172, 619070, 688965, 742884, 918620, 928605, 1238140, 1377930, 1423861, 1857210, 2755860, 2847722, 3714420, 4271583, 5695444, 7119305, 8543166, 14238610, 17086332, 21357915, 28477220, 42715830, 85431660]

約数ペア:

[(1, 85431660), (2, 42715830), (3, 28477220), (4, 21357915), (5, 17086332), (6, 14238610), (10, 8543166), (12, 7119305), (15, 5695444), (20, 4271583), (23, 3714420), (30, 2847722), (31, 2755860), (46, 1857210), (60, 1423861), (62, 1377930), (69, 1238140), (92, 928605), (93, 918620), (115, 742884), (124, 688965), (138, 619070), (155, 551172), (186, 459310), (230, 371442), (276, 309535), (310, 275586), (345, 247628), (372, 229655), (460, 185721), (465, 183724), (620, 137793), (690, 123814), (713, 119820), (930, 91862), (1380, 61907), (1426, 59910), (1860, 45931), (1997, 42780), (2139, 39940), (2852, 29955), (3565, 23964), (3994, 21390), (4278, 19970), (5991, 14260), (7130, 11982), (7988, 10695), (8556, 9985)]