78871520

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{5417}}^1$

素因数の和:5452

約数の個数: 96

約数和(自身を含む): 229376448

約数和(自身を除く): 150504928

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 32, 35, 40, 52, 56, 65, 70, 80, 91, 104, 112, 130, 140, 160, 182, 208, 224, 260, 280, 364, 416, 455, 520, 560, 728, 910, 1040, 1120, 1456, 1820, 2080, 2912, 3640, 5417, 7280, 10834, 14560, 21668, 27085, 37919, 43336, 54170, 70421, 75838, 86672, 108340, 140842, 151676, 173344, 189595, 216680, 281684, 303352, 352105, 379190, 433360, 492947, 563368, 606704, 704210, 758380, 866720, 985894, 1126736, 1213408, 1408420, 1516760, 1971788, 2253472, 2464735, 2816840, 3033520, 3943576, 4929470, 5633680, 6067040, 7887152, 9858940, 11267360, 15774304, 19717880, 39435760, 78871520]

約数ペア:

[(1, 78871520), (2, 39435760), (4, 19717880), (5, 15774304), (7, 11267360), (8, 9858940), (10, 7887152), (13, 6067040), (14, 5633680), (16, 4929470), (20, 3943576), (26, 3033520), (28, 2816840), (32, 2464735), (35, 2253472), (40, 1971788), (52, 1516760), (56, 1408420), (65, 1213408), (70, 1126736), (80, 985894), (91, 866720), (104, 758380), (112, 704210), (130, 606704), (140, 563368), (160, 492947), (182, 433360), (208, 379190), (224, 352105), (260, 303352), (280, 281684), (364, 216680), (416, 189595), (455, 173344), (520, 151676), (560, 140842), (728, 108340), (910, 86672), (1040, 75838), (1120, 70421), (1456, 54170), (1820, 43336), (2080, 37919), (2912, 27085), (3640, 21668), (5417, 14560), (7280, 10834)]