917985888

素因数分解:

$2^5\times 3^2\times {\mathrm{31}}^1\times {\mathrm{229}}^1\times {\mathrm{449}}^1$

素因数の和:725

約数の個数: 144

約数和(自身を含む): 2712528000

約数和(自身を除く): 1794542112

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 31, 32, 36, 48, 62, 72, 93, 96, 124, 144, 186, 229, 248, 279, 288, 372, 449, 458, 496, 558, 687, 744, 898, 916, 992, 1116, 1347, 1374, 1488, 1796, 1832, 2061, 2232, 2694, 2748, 2976, 3592, 3664, 4041, 4122, 4464, 5388, 5496, 7099, 7184, 7328, 8082, 8244, 8928, 10776, 10992, 13919, 14198, 14368, 16164, 16488, 21297, 21552, 21984, 27838, 28396, 32328, 32976, 41757, 42594, 43104, 55676, 56792, 63891, 64656, 65952, 83514, 85188, 102821, 111352, 113584, 125271, 127782, 129312, 167028, 170376, 205642, 222704, 227168, 250542, 255564, 308463, 334056, 340752, 411284, 445408, 501084, 511128, 616926, 668112, 681504, 822568, 925389, 1002168, 1022256, 1233852, 1336224, 1645136, 1850778, 2004336, 2044512, 2467704, 3187451, 3290272, 3701556, 4008672, 4935408, 6374902, 7403112, 9562353, 9870816, 12749804, 14806224, 19124706, 25499608, 28687059, 29612448, 38249412, 50999216, 57374118, 76498824, 101998432, 114748236, 152997648, 229496472, 305995296, 458992944, 917985888]

約数ペア:

[(1, 917985888), (2, 458992944), (3, 305995296), (4, 229496472), (6, 152997648), (8, 114748236), (9, 101998432), (12, 76498824), (16, 57374118), (18, 50999216), (24, 38249412), (31, 29612448), (32, 28687059), (36, 25499608), (48, 19124706), (62, 14806224), (72, 12749804), (93, 9870816), (96, 9562353), (124, 7403112), (144, 6374902), (186, 4935408), (229, 4008672), (248, 3701556), (279, 3290272), (288, 3187451), (372, 2467704), (449, 2044512), (458, 2004336), (496, 1850778), (558, 1645136), (687, 1336224), (744, 1233852), (898, 1022256), (916, 1002168), (992, 925389), (1116, 822568), (1347, 681504), (1374, 668112), (1488, 616926), (1796, 511128), (1832, 501084), (2061, 445408), (2232, 411284), (2694, 340752), (2748, 334056), (2976, 308463), (3592, 255564), (3664, 250542), (4041, 227168), (4122, 222704), (4464, 205642), (5388, 170376), (5496, 167028), (7099, 129312), (7184, 127782), (7328, 125271), (8082, 113584), (8244, 111352), (8928, 102821), (10776, 85188), (10992, 83514), (13919, 65952), (14198, 64656), (14368, 63891), (16164, 56792), (16488, 55676), (21297, 43104), (21552, 42594), (21984, 41757), (27838, 32976), (28396, 32328)]