18280620

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{97}}^1\times {\mathrm{349}}^1$

素因数の和:464

約数の個数: 96

約数和(自身を含む): 57624000

約数和(自身を除く): 39343380

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 90, 97, 108, 135, 180, 194, 270, 291, 349, 388, 485, 540, 582, 698, 873, 970, 1047, 1164, 1396, 1455, 1745, 1746, 1940, 2094, 2619, 2910, 3141, 3490, 3492, 4188, 4365, 5235, 5238, 5820, 6282, 6980, 8730, 9423, 10470, 10476, 12564, 13095, 15705, 17460, 18846, 20940, 26190, 31410, 33853, 37692, 47115, 52380, 62820, 67706, 94230, 101559, 135412, 169265, 188460, 203118, 304677, 338530, 406236, 507795, 609354, 677060, 914031, 1015590, 1218708, 1523385, 1828062, 2031180, 3046770, 3656124, 4570155, 6093540, 9140310, 18280620]

約数ペア:

[(1, 18280620), (2, 9140310), (3, 6093540), (4, 4570155), (5, 3656124), (6, 3046770), (9, 2031180), (10, 1828062), (12, 1523385), (15, 1218708), (18, 1015590), (20, 914031), (27, 677060), (30, 609354), (36, 507795), (45, 406236), (54, 338530), (60, 304677), (90, 203118), (97, 188460), (108, 169265), (135, 135412), (180, 101559), (194, 94230), (270, 67706), (291, 62820), (349, 52380), (388, 47115), (485, 37692), (540, 33853), (582, 31410), (698, 26190), (873, 20940), (970, 18846), (1047, 17460), (1164, 15705), (1396, 13095), (1455, 12564), (1745, 10476), (1746, 10470), (1940, 9423), (2094, 8730), (2619, 6980), (2910, 6282), (3141, 5820), (3490, 5238), (3492, 5235), (4188, 4365)]