218520540

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{173429}}^1$

素因数の和:173451

約数の個数: 72

約数和(自身を含む): 757542240

約数和(自身を除く): 539021700

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 420, 630, 1260, 173429, 346858, 520287, 693716, 867145, 1040574, 1214003, 1560861, 1734290, 2081148, 2428006, 2601435, 3121722, 3468580, 3642009, 4856012, 5202870, 6070015, 6243444, 7284018, 7804305, 10405740, 10926027, 12140030, 14568036, 15608610, 18210045, 21852054, 24280060, 31217220, 36420090, 43704108, 54630135, 72840180, 109260270, 218520540]

約数ペア:

[(1, 218520540), (2, 109260270), (3, 72840180), (4, 54630135), (5, 43704108), (6, 36420090), (7, 31217220), (9, 24280060), (10, 21852054), (12, 18210045), (14, 15608610), (15, 14568036), (18, 12140030), (20, 10926027), (21, 10405740), (28, 7804305), (30, 7284018), (35, 6243444), (36, 6070015), (42, 5202870), (45, 4856012), (60, 3642009), (63, 3468580), (70, 3121722), (84, 2601435), (90, 2428006), (105, 2081148), (126, 1734290), (140, 1560861), (180, 1214003), (210, 1040574), (252, 867145), (315, 693716), (420, 520287), (630, 346858), (1260, 173429)]