261399960

素因数分解:

$2^3\times 3^5\times 5^1\times {\mathrm{26893}}^1$

素因数の和:26919

約数の個数: 96

約数和(自身を含む): 881047440

約数和(自身を除く): 619647480

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 81, 90, 108, 120, 135, 162, 180, 216, 243, 270, 324, 360, 405, 486, 540, 648, 810, 972, 1080, 1215, 1620, 1944, 2430, 3240, 4860, 9720, 26893, 53786, 80679, 107572, 134465, 161358, 215144, 242037, 268930, 322716, 403395, 484074, 537860, 645432, 726111, 806790, 968148, 1075720, 1210185, 1452222, 1613580, 1936296, 2178333, 2420370, 2904444, 3227160, 3630555, 4356666, 4840740, 5808888, 6534999, 7261110, 8713332, 9681480, 10891665, 13069998, 14522220, 17426664, 21783330, 26139996, 29044440, 32674995, 43566660, 52279992, 65349990, 87133320, 130699980, 261399960]

約数ペア:

[(1, 261399960), (2, 130699980), (3, 87133320), (4, 65349990), (5, 52279992), (6, 43566660), (8, 32674995), (9, 29044440), (10, 26139996), (12, 21783330), (15, 17426664), (18, 14522220), (20, 13069998), (24, 10891665), (27, 9681480), (30, 8713332), (36, 7261110), (40, 6534999), (45, 5808888), (54, 4840740), (60, 4356666), (72, 3630555), (81, 3227160), (90, 2904444), (108, 2420370), (120, 2178333), (135, 1936296), (162, 1613580), (180, 1452222), (216, 1210185), (243, 1075720), (270, 968148), (324, 806790), (360, 726111), (405, 645432), (486, 537860), (540, 484074), (648, 403395), (810, 322716), (972, 268930), (1080, 242037), (1215, 215144), (1620, 161358), (1944, 134465), (2430, 107572), (3240, 80679), (4860, 53786), (9720, 26893)]