90311480

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{18973}}^1$

素因数の和:19008

約数の個数: 64

約数和(自身を含む): 245903040

約数和(自身を除く): 155591560

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, 18973, 37946, 75892, 94865, 132811, 151784, 189730, 265622, 322541, 379460, 531244, 645082, 664055, 758920, 1062488, 1290164, 1328110, 1612705, 2257787, 2580328, 2656220, 3225410, 4515574, 5312440, 6450820, 9031148, 11288935, 12901640, 18062296, 22577870, 45155740, 90311480]

約数ペア:

[(1, 90311480), (2, 45155740), (4, 22577870), (5, 18062296), (7, 12901640), (8, 11288935), (10, 9031148), (14, 6450820), (17, 5312440), (20, 4515574), (28, 3225410), (34, 2656220), (35, 2580328), (40, 2257787), (56, 1612705), (68, 1328110), (70, 1290164), (85, 1062488), (119, 758920), (136, 664055), (140, 645082), (170, 531244), (238, 379460), (280, 322541), (340, 265622), (476, 189730), (595, 151784), (680, 132811), (952, 94865), (1190, 75892), (2380, 37946), (4760, 18973)]