142534280

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{16421}}^1$

素因数の和:16470

約数の個数: 64

約数和(自身を含む): 378362880

約数和(自身を除く): 235828600

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 31, 35, 40, 56, 62, 70, 124, 140, 155, 217, 248, 280, 310, 434, 620, 868, 1085, 1240, 1736, 2170, 4340, 8680, 16421, 32842, 65684, 82105, 114947, 131368, 164210, 229894, 328420, 459788, 509051, 574735, 656840, 919576, 1018102, 1149470, 2036204, 2298940, 2545255, 3563357, 4072408, 4597880, 5090510, 7126714, 10181020, 14253428, 17816785, 20362040, 28506856, 35633570, 71267140, 142534280]

約数ペア:

[(1, 142534280), (2, 71267140), (4, 35633570), (5, 28506856), (7, 20362040), (8, 17816785), (10, 14253428), (14, 10181020), (20, 7126714), (28, 5090510), (31, 4597880), (35, 4072408), (40, 3563357), (56, 2545255), (62, 2298940), (70, 2036204), (124, 1149470), (140, 1018102), (155, 919576), (217, 656840), (248, 574735), (280, 509051), (310, 459788), (434, 328420), (620, 229894), (868, 164210), (1085, 131368), (1240, 114947), (1736, 82105), (2170, 65684), (4340, 32842), (8680, 16421)]