18040740

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{769}}^1$

素因数の和:821

約数の個数: 96

約数和(自身を含む): 55883520

約数和(自身を除く): 37842780

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 17, 20, 23, 30, 34, 46, 51, 60, 68, 69, 85, 92, 102, 115, 138, 170, 204, 230, 255, 276, 340, 345, 391, 460, 510, 690, 769, 782, 1020, 1173, 1380, 1538, 1564, 1955, 2307, 2346, 3076, 3845, 3910, 4614, 4692, 5865, 7690, 7820, 9228, 11535, 11730, 13073, 15380, 17687, 23070, 23460, 26146, 35374, 39219, 46140, 52292, 53061, 65365, 70748, 78438, 88435, 106122, 130730, 156876, 176870, 196095, 212244, 261460, 265305, 300679, 353740, 392190, 530610, 601358, 784380, 902037, 1061220, 1202716, 1503395, 1804074, 3006790, 3608148, 4510185, 6013580, 9020370, 18040740]

約数ペア:

[(1, 18040740), (2, 9020370), (3, 6013580), (4, 4510185), (5, 3608148), (6, 3006790), (10, 1804074), (12, 1503395), (15, 1202716), (17, 1061220), (20, 902037), (23, 784380), (30, 601358), (34, 530610), (46, 392190), (51, 353740), (60, 300679), (68, 265305), (69, 261460), (85, 212244), (92, 196095), (102, 176870), (115, 156876), (138, 130730), (170, 106122), (204, 88435), (230, 78438), (255, 70748), (276, 65365), (340, 53061), (345, 52292), (391, 46140), (460, 39219), (510, 35374), (690, 26146), (769, 23460), (782, 23070), (1020, 17687), (1173, 15380), (1380, 13073), (1538, 11730), (1564, 11535), (1955, 9228), (2307, 7820), (2346, 7690), (3076, 5865), (3845, 4692), (3910, 4614)]