64301440

素因数分解:

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

素因数の和:520

約数の個数: 128

約数和(自身を含む): 181739520

約数和(自身を除く): 117438080

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, 280, 310, 320, 434, 448, 463, 496, 560, 620, 640, 868, 896, 926, 992, 1085, 1120, 1240, 1736, 1852, 1984, 2170, 2240, 2315, 2480, 3241, 3472, 3704, 3968, 4340, 4480, 4630, 4960, 6482, 6944, 7408, 8680, 9260, 9920, 12964, 13888, 14353, 14816, 16205, 17360, 18520, 19840, 25928, 27776, 28706, 29632, 32410, 34720, 37040, 51856, 57412, 59264, 64820, 69440, 71765, 74080, 100471, 103712, 114824, 129640, 138880, 143530, 148160, 200942, 207424, 229648, 259280, 287060, 296320, 401884, 414848, 459296, 502355, 518560, 574120, 803768, 918592, 1004710, 1037120, 1148240, 1607536, 1837184, 2009420, 2074240, 2296480, 3215072, 4018840, 4592960, 6430144, 8037680, 9185920, 12860288, 16075360, 32150720, 64301440]

約数ペア:

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