78163960

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{16421}}^1$

素因数の和:16456

約数の個数: 64

約数和(自身を含む): 212829120

約数和(自身を除く): 134665160

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 17, 20, 28, 34, 35, 40, 56, 68, 70, 85, 119, 136, 140, 170, 238, 280, 340, 476, 595, 680, 952, 1190, 2380, 4760, 16421, 32842, 65684, 82105, 114947, 131368, 164210, 229894, 279157, 328420, 459788, 558314, 574735, 656840, 919576, 1116628, 1149470, 1395785, 1954099, 2233256, 2298940, 2791570, 3908198, 4597880, 5583140, 7816396, 9770495, 11166280, 15632792, 19540990, 39081980, 78163960]

約数ペア:

[(1, 78163960), (2, 39081980), (4, 19540990), (5, 15632792), (7, 11166280), (8, 9770495), (10, 7816396), (14, 5583140), (17, 4597880), (20, 3908198), (28, 2791570), (34, 2298940), (35, 2233256), (40, 1954099), (56, 1395785), (68, 1149470), (70, 1116628), (85, 919576), (119, 656840), (136, 574735), (140, 558314), (170, 459788), (238, 328420), (280, 279157), (340, 229894), (476, 164210), (595, 131368), (680, 114947), (952, 82105), (1190, 65684), (2380, 32842), (4760, 16421)]