89872640

素因数分解:

$2^8\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{491}}^1$

素因数の和:536

約数の個数: 144

約数和(自身を含む): 253423296

約数和(自身を除く): 163550656

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 16, 20, 22, 26, 32, 40, 44, 52, 55, 64, 65, 80, 88, 104, 110, 128, 130, 143, 160, 176, 208, 220, 256, 260, 286, 320, 352, 416, 440, 491, 520, 572, 640, 704, 715, 832, 880, 982, 1040, 1144, 1280, 1408, 1430, 1664, 1760, 1964, 2080, 2288, 2455, 2816, 2860, 3328, 3520, 3928, 4160, 4576, 4910, 5401, 5720, 6383, 7040, 7856, 8320, 9152, 9820, 10802, 11440, 12766, 14080, 15712, 16640, 18304, 19640, 21604, 22880, 25532, 27005, 31424, 31915, 36608, 39280, 43208, 45760, 51064, 54010, 62848, 63830, 70213, 78560, 86416, 91520, 102128, 108020, 125696, 127660, 140426, 157120, 172832, 183040, 204256, 216040, 255320, 280852, 314240, 345664, 351065, 408512, 432080, 510640, 561704, 628480, 691328, 702130, 817024, 864160, 1021280, 1123408, 1382656, 1404260, 1634048, 1728320, 2042560, 2246816, 2808520, 3456640, 4085120, 4493632, 5617040, 6913280, 8170240, 8987264, 11234080, 17974528, 22468160, 44936320, 89872640]

約数ペア:

[(1, 89872640), (2, 44936320), (4, 22468160), (5, 17974528), (8, 11234080), (10, 8987264), (11, 8170240), (13, 6913280), (16, 5617040), (20, 4493632), (22, 4085120), (26, 3456640), (32, 2808520), (40, 2246816), (44, 2042560), (52, 1728320), (55, 1634048), (64, 1404260), (65, 1382656), (80, 1123408), (88, 1021280), (104, 864160), (110, 817024), (128, 702130), (130, 691328), (143, 628480), (160, 561704), (176, 510640), (208, 432080), (220, 408512), (256, 351065), (260, 345664), (286, 314240), (320, 280852), (352, 255320), (416, 216040), (440, 204256), (491, 183040), (520, 172832), (572, 157120), (640, 140426), (704, 127660), (715, 125696), (832, 108020), (880, 102128), (982, 91520), (1040, 86416), (1144, 78560), (1280, 70213), (1408, 63830), (1430, 62848), (1664, 54010), (1760, 51064), (1964, 45760), (2080, 43208), (2288, 39280), (2455, 36608), (2816, 31915), (2860, 31424), (3328, 27005), (3520, 25532), (3928, 22880), (4160, 21604), (4576, 19640), (4910, 18304), (5401, 16640), (5720, 15712), (6383, 14080), (7040, 12766), (7856, 11440), (8320, 10802), (9152, 9820)]