7320440

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{73}}^1\times {\mathrm{109}}^1$

素因数の和:216

約数の個数: 64

約数和(自身を含む): 17582400

約数和(自身を除く): 10261960

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 73, 92, 109, 115, 146, 184, 218, 230, 292, 365, 436, 460, 545, 584, 730, 872, 920, 1090, 1460, 1679, 2180, 2507, 2920, 3358, 4360, 5014, 6716, 7957, 8395, 10028, 12535, 13432, 15914, 16790, 20056, 25070, 31828, 33580, 39785, 50140, 63656, 67160, 79570, 100280, 159140, 183011, 318280, 366022, 732044, 915055, 1464088, 1830110, 3660220, 7320440]

約数ペア:

[(1, 7320440), (2, 3660220), (4, 1830110), (5, 1464088), (8, 915055), (10, 732044), (20, 366022), (23, 318280), (40, 183011), (46, 159140), (73, 100280), (92, 79570), (109, 67160), (115, 63656), (146, 50140), (184, 39785), (218, 33580), (230, 31828), (292, 25070), (365, 20056), (436, 16790), (460, 15914), (545, 13432), (584, 12535), (730, 10028), (872, 8395), (920, 7957), (1090, 6716), (1460, 5014), (1679, 4360), (2180, 3358), (2507, 2920)]