261997416

素因数分解:

$2^3\times 3^4\times {\mathrm{23}}^1\times {\mathrm{17579}}^1$

素因数の和:17620

約数の個数: 80

約数和(自身を含む): 765784800

約数和(自身を除く): 503787384

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 23, 24, 27, 36, 46, 54, 69, 72, 81, 92, 108, 138, 162, 184, 207, 216, 276, 324, 414, 552, 621, 648, 828, 1242, 1656, 1863, 2484, 3726, 4968, 7452, 14904, 17579, 35158, 52737, 70316, 105474, 140632, 158211, 210948, 316422, 404317, 421896, 474633, 632844, 808634, 949266, 1212951, 1265688, 1423899, 1617268, 1898532, 2425902, 2847798, 3234536, 3638853, 3797064, 4851804, 5695596, 7277706, 9703608, 10916559, 11391192, 14555412, 21833118, 29110824, 32749677, 43666236, 65499354, 87332472, 130998708, 261997416]

約数ペア:

[(1, 261997416), (2, 130998708), (3, 87332472), (4, 65499354), (6, 43666236), (8, 32749677), (9, 29110824), (12, 21833118), (18, 14555412), (23, 11391192), (24, 10916559), (27, 9703608), (36, 7277706), (46, 5695596), (54, 4851804), (69, 3797064), (72, 3638853), (81, 3234536), (92, 2847798), (108, 2425902), (138, 1898532), (162, 1617268), (184, 1423899), (207, 1265688), (216, 1212951), (276, 949266), (324, 808634), (414, 632844), (552, 474633), (621, 421896), (648, 404317), (828, 316422), (1242, 210948), (1656, 158211), (1863, 140632), (2484, 105474), (3726, 70316), (4968, 52737), (7452, 35158), (14904, 17579)]