128602880

素因数分解:

$2^8\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{463}}^1$

素因数の和:522

約数の個数: 144

約数和(自身を含む): 364191744

約数和(自身を除く): 235588864

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 32, 35, 40, 56, 62, 64, 70, 80, 112, 124, 128, 140, 155, 160, 217, 224, 248, 256, 280, 310, 320, 434, 448, 463, 496, 560, 620, 640, 868, 896, 926, 992, 1085, 1120, 1240, 1280, 1736, 1792, 1852, 1984, 2170, 2240, 2315, 2480, 3241, 3472, 3704, 3968, 4340, 4480, 4630, 4960, 6482, 6944, 7408, 7936, 8680, 8960, 9260, 9920, 12964, 13888, 14353, 14816, 16205, 17360, 18520, 19840, 25928, 27776, 28706, 29632, 32410, 34720, 37040, 39680, 51856, 55552, 57412, 59264, 64820, 69440, 71765, 74080, 100471, 103712, 114824, 118528, 129640, 138880, 143530, 148160, 200942, 207424, 229648, 259280, 277760, 287060, 296320, 401884, 414848, 459296, 502355, 518560, 574120, 592640, 803768, 829696, 918592, 1004710, 1037120, 1148240, 1607536, 1837184, 2009420, 2074240, 2296480, 3215072, 3674368, 4018840, 4148480, 4592960, 6430144, 8037680, 9185920, 12860288, 16075360, 18371840, 25720576, 32150720, 64301440, 128602880]

約数ペア:

[(1, 128602880), (2, 64301440), (4, 32150720), (5, 25720576), (7, 18371840), (8, 16075360), (10, 12860288), (14, 9185920), (16, 8037680), (20, 6430144), (28, 4592960), (31, 4148480), (32, 4018840), (35, 3674368), (40, 3215072), (56, 2296480), (62, 2074240), (64, 2009420), (70, 1837184), (80, 1607536), (112, 1148240), (124, 1037120), (128, 1004710), (140, 918592), (155, 829696), (160, 803768), (217, 592640), (224, 574120), (248, 518560), (256, 502355), (280, 459296), (310, 414848), (320, 401884), (434, 296320), (448, 287060), (463, 277760), (496, 259280), (560, 229648), (620, 207424), (640, 200942), (868, 148160), (896, 143530), (926, 138880), (992, 129640), (1085, 118528), (1120, 114824), (1240, 103712), (1280, 100471), (1736, 74080), (1792, 71765), (1852, 69440), (1984, 64820), (2170, 59264), (2240, 57412), (2315, 55552), (2480, 51856), (3241, 39680), (3472, 37040), (3704, 34720), (3968, 32410), (4340, 29632), (4480, 28706), (4630, 27776), (4960, 25928), (6482, 19840), (6944, 18520), (7408, 17360), (7936, 16205), (8680, 14816), (8960, 14353), (9260, 13888), (9920, 12964)]