1800640

素因数分解:

$2^6\times 5^1\times {\mathrm{17}}^1\times {\mathrm{331}}^1$

素因数の和:365

約数の個数: 56

約数和(自身を含む): 4553712

約数和(自身を除く): 2753072

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 64, 68, 80, 85, 136, 160, 170, 272, 320, 331, 340, 544, 662, 680, 1088, 1324, 1360, 1655, 2648, 2720, 3310, 5296, 5440, 5627, 6620, 10592, 11254, 13240, 21184, 22508, 26480, 28135, 45016, 52960, 56270, 90032, 105920, 112540, 180064, 225080, 360128, 450160, 900320, 1800640]

約数ペア:

[(1, 1800640), (2, 900320), (4, 450160), (5, 360128), (8, 225080), (10, 180064), (16, 112540), (17, 105920), (20, 90032), (32, 56270), (34, 52960), (40, 45016), (64, 28135), (68, 26480), (80, 22508), (85, 21184), (136, 13240), (160, 11254), (170, 10592), (272, 6620), (320, 5627), (331, 5440), (340, 5296), (544, 3310), (662, 2720), (680, 2648), (1088, 1655), (1324, 1360)]