81448260

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{409}}^1\times {\mathrm{3319}}^1$

素因数の和:3740

約数の個数: 48

約数和(自身を含む): 228681600

約数和(自身を除く): 147233340

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 409, 818, 1227, 1636, 2045, 2454, 3319, 4090, 4908, 6135, 6638, 8180, 9957, 12270, 13276, 16595, 19914, 24540, 33190, 39828, 49785, 66380, 99570, 199140, 1357471, 2714942, 4072413, 5429884, 6787355, 8144826, 13574710, 16289652, 20362065, 27149420, 40724130, 81448260]

約数ペア:

[(1, 81448260), (2, 40724130), (3, 27149420), (4, 20362065), (5, 16289652), (6, 13574710), (10, 8144826), (12, 6787355), (15, 5429884), (20, 4072413), (30, 2714942), (60, 1357471), (409, 199140), (818, 99570), (1227, 66380), (1636, 49785), (2045, 39828), (2454, 33190), (3319, 24540), (4090, 19914), (4908, 16595), (6135, 13276), (6638, 12270), (8180, 9957)]