81785376

素因数分解:

$2^5\times 3^4\times {\mathrm{139}}^1\times {\mathrm{227}}^1$

素因数の和:388

約数の個数: 120

約数和(自身を含む): 243326160

約数和(自身を除く): 161540784

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 32, 36, 48, 54, 72, 81, 96, 108, 139, 144, 162, 216, 227, 278, 288, 324, 417, 432, 454, 556, 648, 681, 834, 864, 908, 1112, 1251, 1296, 1362, 1668, 1816, 2043, 2224, 2502, 2592, 2724, 3336, 3632, 3753, 4086, 4448, 5004, 5448, 6129, 6672, 7264, 7506, 8172, 10008, 10896, 11259, 12258, 13344, 15012, 16344, 18387, 20016, 21792, 22518, 24516, 30024, 31553, 32688, 36774, 40032, 45036, 49032, 60048, 63106, 65376, 73548, 90072, 94659, 98064, 120096, 126212, 147096, 180144, 189318, 196128, 252424, 283977, 294192, 360288, 378636, 504848, 567954, 588384, 757272, 851931, 1009696, 1135908, 1514544, 1703862, 2271816, 2555793, 3029088, 3407724, 4543632, 5111586, 6815448, 9087264, 10223172, 13630896, 20446344, 27261792, 40892688, 81785376]

約数ペア:

[(1, 81785376), (2, 40892688), (3, 27261792), (4, 20446344), (6, 13630896), (8, 10223172), (9, 9087264), (12, 6815448), (16, 5111586), (18, 4543632), (24, 3407724), (27, 3029088), (32, 2555793), (36, 2271816), (48, 1703862), (54, 1514544), (72, 1135908), (81, 1009696), (96, 851931), (108, 757272), (139, 588384), (144, 567954), (162, 504848), (216, 378636), (227, 360288), (278, 294192), (288, 283977), (324, 252424), (417, 196128), (432, 189318), (454, 180144), (556, 147096), (648, 126212), (681, 120096), (834, 98064), (864, 94659), (908, 90072), (1112, 73548), (1251, 65376), (1296, 63106), (1362, 60048), (1668, 49032), (1816, 45036), (2043, 40032), (2224, 36774), (2502, 32688), (2592, 31553), (2724, 30024), (3336, 24516), (3632, 22518), (3753, 21792), (4086, 20016), (4448, 18387), (5004, 16344), (5448, 15012), (6129, 13344), (6672, 12258), (7264, 11259), (7506, 10896), (8172, 10008)]