1201528040

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{991}}^1\times {\mathrm{1783}}^1$

素因数の和:2802

約数の個数: 64

約数和(自身を含む): 2866959360

約数和(自身を除く): 1665431320

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 680, 991, 1783, 1982, 3566, 3964, 4955, 7132, 7928, 8915, 9910, 14264, 16847, 17830, 19820, 30311, 33694, 35660, 39640, 60622, 67388, 71320, 84235, 121244, 134776, 151555, 168470, 242488, 303110, 336940, 606220, 673880, 1212440, 1766953, 3533906, 7067812, 8834765, 14135624, 17669530, 30038201, 35339060, 60076402, 70678120, 120152804, 150191005, 240305608, 300382010, 600764020, 1201528040]

約数ペア:

[(1, 1201528040), (2, 600764020), (4, 300382010), (5, 240305608), (8, 150191005), (10, 120152804), (17, 70678120), (20, 60076402), (34, 35339060), (40, 30038201), (68, 17669530), (85, 14135624), (136, 8834765), (170, 7067812), (340, 3533906), (680, 1766953), (991, 1212440), (1783, 673880), (1982, 606220), (3566, 336940), (3964, 303110), (4955, 242488), (7132, 168470), (7928, 151555), (8915, 134776), (9910, 121244), (14264, 84235), (16847, 71320), (17830, 67388), (19820, 60622), (30311, 39640), (33694, 35660)]