66450440

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{3251}}^1$

素因数の和:3342

約数の個数: 64

約数和(自身を含む): 173266560

約数和(自身を除く): 106816120

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 73, 140, 146, 280, 292, 365, 511, 584, 730, 1022, 1460, 2044, 2555, 2920, 3251, 4088, 5110, 6502, 10220, 13004, 16255, 20440, 22757, 26008, 32510, 45514, 65020, 91028, 113785, 130040, 182056, 227570, 237323, 455140, 474646, 910280, 949292, 1186615, 1661261, 1898584, 2373230, 3322522, 4746460, 6645044, 8306305, 9492920, 13290088, 16612610, 33225220, 66450440]

約数ペア:

[(1, 66450440), (2, 33225220), (4, 16612610), (5, 13290088), (7, 9492920), (8, 8306305), (10, 6645044), (14, 4746460), (20, 3322522), (28, 2373230), (35, 1898584), (40, 1661261), (56, 1186615), (70, 949292), (73, 910280), (140, 474646), (146, 455140), (280, 237323), (292, 227570), (365, 182056), (511, 130040), (584, 113785), (730, 91028), (1022, 65020), (1460, 45514), (2044, 32510), (2555, 26008), (2920, 22757), (3251, 20440), (4088, 16255), (5110, 13004), (6502, 10220)]