78622880

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{70199}}^1$

素因数の和:70221

約数の個数: 48

約数和(自身を含む): 212284800

約数和(自身を除く): 133661920

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 70, 80, 112, 140, 160, 224, 280, 560, 1120, 70199, 140398, 280796, 350995, 491393, 561592, 701990, 982786, 1123184, 1403980, 1965572, 2246368, 2456965, 2807960, 3931144, 4913930, 5615920, 7862288, 9827860, 11231840, 15724576, 19655720, 39311440, 78622880]

約数ペア:

[(1, 78622880), (2, 39311440), (4, 19655720), (5, 15724576), (7, 11231840), (8, 9827860), (10, 7862288), (14, 5615920), (16, 4913930), (20, 3931144), (28, 2807960), (32, 2456965), (35, 2246368), (40, 1965572), (56, 1403980), (70, 1123184), (80, 982786), (112, 701990), (140, 561592), (160, 491393), (224, 350995), (280, 280796), (560, 140398), (1120, 70199)]