51491280

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{73}}^1\times {\mathrm{2939}}^1$

素因数の和:3028

約数の個数: 80

約数和(自身を含む): 161864640

約数和(自身を除く): 110373360

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 73, 80, 120, 146, 219, 240, 292, 365, 438, 584, 730, 876, 1095, 1168, 1460, 1752, 2190, 2920, 2939, 3504, 4380, 5840, 5878, 8760, 8817, 11756, 14695, 17520, 17634, 23512, 29390, 35268, 44085, 47024, 58780, 70536, 88170, 117560, 141072, 176340, 214547, 235120, 352680, 429094, 643641, 705360, 858188, 1072735, 1287282, 1716376, 2145470, 2574564, 3218205, 3432752, 4290940, 5149128, 6436410, 8581880, 10298256, 12872820, 17163760, 25745640, 51491280]

約数ペア:

[(1, 51491280), (2, 25745640), (3, 17163760), (4, 12872820), (5, 10298256), (6, 8581880), (8, 6436410), (10, 5149128), (12, 4290940), (15, 3432752), (16, 3218205), (20, 2574564), (24, 2145470), (30, 1716376), (40, 1287282), (48, 1072735), (60, 858188), (73, 705360), (80, 643641), (120, 429094), (146, 352680), (219, 235120), (240, 214547), (292, 176340), (365, 141072), (438, 117560), (584, 88170), (730, 70536), (876, 58780), (1095, 47024), (1168, 44085), (1460, 35268), (1752, 29390), (2190, 23512), (2920, 17634), (2939, 17520), (3504, 14695), (4380, 11756), (5840, 8817), (5878, 8760)]