261311832

素因数分解:

$2^3\times 3^4\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{197}}^1$

素因数の和:327

約数の個数: 160

約数和(自身を含む): 776239200

約数和(自身を除く): 514927368

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 23, 24, 27, 36, 46, 54, 69, 72, 81, 89, 92, 108, 138, 162, 178, 184, 197, 207, 216, 267, 276, 324, 356, 394, 414, 534, 552, 591, 621, 648, 712, 788, 801, 828, 1068, 1182, 1242, 1576, 1602, 1656, 1773, 1863, 2047, 2136, 2364, 2403, 2484, 3204, 3546, 3726, 4094, 4531, 4728, 4806, 4968, 5319, 6141, 6408, 7092, 7209, 7452, 8188, 9062, 9612, 10638, 12282, 13593, 14184, 14418, 14904, 15957, 16376, 17533, 18124, 18423, 19224, 21276, 24564, 27186, 28836, 31914, 35066, 36248, 36846, 40779, 42552, 49128, 52599, 54372, 55269, 57672, 63828, 70132, 73692, 81558, 105198, 108744, 110538, 122337, 127656, 140264, 147384, 157797, 163116, 165807, 210396, 221076, 244674, 315594, 326232, 331614, 367011, 403259, 420792, 442152, 473391, 489348, 631188, 663228, 734022, 806518, 946782, 978696, 1209777, 1262376, 1326456, 1420173, 1468044, 1613036, 1893564, 2419554, 2840346, 2936088, 3226072, 3629331, 3787128, 4839108, 5680692, 7258662, 9678216, 10887993, 11361384, 14517324, 21775986, 29034648, 32663979, 43551972, 65327958, 87103944, 130655916, 261311832]

約数ペア:

[(1, 261311832), (2, 130655916), (3, 87103944), (4, 65327958), (6, 43551972), (8, 32663979), (9, 29034648), (12, 21775986), (18, 14517324), (23, 11361384), (24, 10887993), (27, 9678216), (36, 7258662), (46, 5680692), (54, 4839108), (69, 3787128), (72, 3629331), (81, 3226072), (89, 2936088), (92, 2840346), (108, 2419554), (138, 1893564), (162, 1613036), (178, 1468044), (184, 1420173), (197, 1326456), (207, 1262376), (216, 1209777), (267, 978696), (276, 946782), (324, 806518), (356, 734022), (394, 663228), (414, 631188), (534, 489348), (552, 473391), (591, 442152), (621, 420792), (648, 403259), (712, 367011), (788, 331614), (801, 326232), (828, 315594), (1068, 244674), (1182, 221076), (1242, 210396), (1576, 165807), (1602, 163116), (1656, 157797), (1773, 147384), (1863, 140264), (2047, 127656), (2136, 122337), (2364, 110538), (2403, 108744), (2484, 105198), (3204, 81558), (3546, 73692), (3726, 70132), (4094, 63828), (4531, 57672), (4728, 55269), (4806, 54372), (4968, 52599), (5319, 49128), (6141, 42552), (6408, 40779), (7092, 36846), (7209, 36248), (7452, 35066), (8188, 31914), (9062, 28836), (9612, 27186), (10638, 24564), (12282, 21276), (13593, 19224), (14184, 18423), (14418, 18124), (14904, 17533), (15957, 16376)]