388639620

素因数分解:

$2^2\times 3^5\times 5^1\times {\mathrm{79967}}^1$

素因数の和:79991

約数の個数: 72

約数和(自身を含む): 1222550784

約数和(自身を除く): 833911164

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 81, 90, 108, 135, 162, 180, 243, 270, 324, 405, 486, 540, 810, 972, 1215, 1620, 2430, 4860, 79967, 159934, 239901, 319868, 399835, 479802, 719703, 799670, 959604, 1199505, 1439406, 1599340, 2159109, 2399010, 2878812, 3598515, 4318218, 4798020, 6477327, 7197030, 8636436, 10795545, 12954654, 14394060, 19431981, 21591090, 25909308, 32386635, 38863962, 43182180, 64773270, 77727924, 97159905, 129546540, 194319810, 388639620]

約数ペア:

[(1, 388639620), (2, 194319810), (3, 129546540), (4, 97159905), (5, 77727924), (6, 64773270), (9, 43182180), (10, 38863962), (12, 32386635), (15, 25909308), (18, 21591090), (20, 19431981), (27, 14394060), (30, 12954654), (36, 10795545), (45, 8636436), (54, 7197030), (60, 6477327), (81, 4798020), (90, 4318218), (108, 3598515), (135, 2878812), (162, 2399010), (180, 2159109), (243, 1599340), (270, 1439406), (324, 1199505), (405, 959604), (486, 799670), (540, 719703), (810, 479802), (972, 399835), (1215, 319868), (1620, 239901), (2430, 159934), (4860, 79967)]