51222780

素因数分解:

$2^2\times 3^4\times 5^1\times 7^1\times {\mathrm{4517}}^1$

素因数の和:4545

約数の個数: 120

約数和(自身を含む): 183683808

約数和(自身を除く): 132461028

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 27, 28, 30, 35, 36, 42, 45, 54, 60, 63, 70, 81, 84, 90, 105, 108, 126, 135, 140, 162, 180, 189, 210, 252, 270, 315, 324, 378, 405, 420, 540, 567, 630, 756, 810, 945, 1134, 1260, 1620, 1890, 2268, 2835, 3780, 4517, 5670, 9034, 11340, 13551, 18068, 22585, 27102, 31619, 40653, 45170, 54204, 63238, 67755, 81306, 90340, 94857, 121959, 126476, 135510, 158095, 162612, 189714, 203265, 243918, 271020, 284571, 316190, 365877, 379428, 406530, 474285, 487836, 569142, 609795, 632380, 731754, 813060, 853713, 948570, 1138284, 1219590, 1422855, 1463508, 1707426, 1829385, 1897140, 2439180, 2561139, 2845710, 3414852, 3658770, 4268565, 5122278, 5691420, 7317540, 8537130, 10244556, 12805695, 17074260, 25611390, 51222780]

約数ペア:

[(1, 51222780), (2, 25611390), (3, 17074260), (4, 12805695), (5, 10244556), (6, 8537130), (7, 7317540), (9, 5691420), (10, 5122278), (12, 4268565), (14, 3658770), (15, 3414852), (18, 2845710), (20, 2561139), (21, 2439180), (27, 1897140), (28, 1829385), (30, 1707426), (35, 1463508), (36, 1422855), (42, 1219590), (45, 1138284), (54, 948570), (60, 853713), (63, 813060), (70, 731754), (81, 632380), (84, 609795), (90, 569142), (105, 487836), (108, 474285), (126, 406530), (135, 379428), (140, 365877), (162, 316190), (180, 284571), (189, 271020), (210, 243918), (252, 203265), (270, 189714), (315, 162612), (324, 158095), (378, 135510), (405, 126476), (420, 121959), (540, 94857), (567, 90340), (630, 81306), (756, 67755), (810, 63238), (945, 54204), (1134, 45170), (1260, 40653), (1620, 31619), (1890, 27102), (2268, 22585), (2835, 18068), (3780, 13551), (4517, 11340), (5670, 9034)]