121213728

素因数分解:

$2^5\times 3^2\times {\mathrm{89}}^1\times {\mathrm{4729}}^1$

素因数の和:4834

約数の個数: 72

約数和(自身を含む): 348648300

約数和(自身を除く): 227434572

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 72, 89, 96, 144, 178, 267, 288, 356, 534, 712, 801, 1068, 1424, 1602, 2136, 2848, 3204, 4272, 4729, 6408, 8544, 9458, 12816, 14187, 18916, 25632, 28374, 37832, 42561, 56748, 75664, 85122, 113496, 151328, 170244, 226992, 340488, 420881, 453984, 680976, 841762, 1262643, 1361952, 1683524, 2525286, 3367048, 3787929, 5050572, 6734096, 7575858, 10101144, 13468192, 15151716, 20202288, 30303432, 40404576, 60606864, 121213728]

約数ペア:

[(1, 121213728), (2, 60606864), (3, 40404576), (4, 30303432), (6, 20202288), (8, 15151716), (9, 13468192), (12, 10101144), (16, 7575858), (18, 6734096), (24, 5050572), (32, 3787929), (36, 3367048), (48, 2525286), (72, 1683524), (89, 1361952), (96, 1262643), (144, 841762), (178, 680976), (267, 453984), (288, 420881), (356, 340488), (534, 226992), (712, 170244), (801, 151328), (1068, 113496), (1424, 85122), (1602, 75664), (2136, 56748), (2848, 42561), (3204, 37832), (4272, 28374), (4729, 25632), (6408, 18916), (8544, 14187), (9458, 12816)]