81563220

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{131}}^1\times {\mathrm{1153}}^1$

素因数の和:1302

約数の個数: 96

約数和(自身を含む): 255911040

約数和(自身を除く): 174347820

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 90, 108, 131, 135, 180, 262, 270, 393, 524, 540, 655, 786, 1153, 1179, 1310, 1572, 1965, 2306, 2358, 2620, 3459, 3537, 3930, 4612, 4716, 5765, 5895, 6918, 7074, 7860, 10377, 11530, 11790, 13836, 14148, 17295, 17685, 20754, 23060, 23580, 31131, 34590, 35370, 41508, 51885, 62262, 69180, 70740, 103770, 124524, 151043, 155655, 207540, 302086, 311310, 453129, 604172, 622620, 755215, 906258, 1359387, 1510430, 1812516, 2265645, 2718774, 3020860, 4078161, 4531290, 5437548, 6796935, 8156322, 9062580, 13593870, 16312644, 20390805, 27187740, 40781610, 81563220]

約数ペア:

[(1, 81563220), (2, 40781610), (3, 27187740), (4, 20390805), (5, 16312644), (6, 13593870), (9, 9062580), (10, 8156322), (12, 6796935), (15, 5437548), (18, 4531290), (20, 4078161), (27, 3020860), (30, 2718774), (36, 2265645), (45, 1812516), (54, 1510430), (60, 1359387), (90, 906258), (108, 755215), (131, 622620), (135, 604172), (180, 453129), (262, 311310), (270, 302086), (393, 207540), (524, 155655), (540, 151043), (655, 124524), (786, 103770), (1153, 70740), (1179, 69180), (1310, 62262), (1572, 51885), (1965, 41508), (2306, 35370), (2358, 34590), (2620, 31131), (3459, 23580), (3537, 23060), (3930, 20754), (4612, 17685), (4716, 17295), (5765, 14148), (5895, 13836), (6918, 11790), (7074, 11530), (7860, 10377)]