1335520

素因数分解:

$2^5\times 5^1\times {\mathrm{17}}^1\times {\mathrm{491}}^1$

素因数の和:523

約数の個数: 48

約数和(自身を含む): 3347568

約数和(自身を除く): 2012048

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 68, 80, 85, 136, 160, 170, 272, 340, 491, 544, 680, 982, 1360, 1964, 2455, 2720, 3928, 4910, 7856, 8347, 9820, 15712, 16694, 19640, 33388, 39280, 41735, 66776, 78560, 83470, 133552, 166940, 267104, 333880, 667760, 1335520]

約数ペア:

[(1, 1335520), (2, 667760), (4, 333880), (5, 267104), (8, 166940), (10, 133552), (16, 83470), (17, 78560), (20, 66776), (32, 41735), (34, 39280), (40, 33388), (68, 19640), (80, 16694), (85, 15712), (136, 9820), (160, 8347), (170, 7856), (272, 4910), (340, 3928), (491, 2720), (544, 2455), (680, 1964), (982, 1360)]