72908460

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{405047}}^1$

素因数の和:405062

約数の個数: 36

約数和(自身を含む): 221156208

約数和(自身を除く): 148247748

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 405047, 810094, 1215141, 1620188, 2025235, 2430282, 3645423, 4050470, 4860564, 6075705, 7290846, 8100940, 12151410, 14581692, 18227115, 24302820, 36454230, 72908460]

約数ペア:

[(1, 72908460), (2, 36454230), (3, 24302820), (4, 18227115), (5, 14581692), (6, 12151410), (9, 8100940), (10, 7290846), (12, 6075705), (15, 4860564), (18, 4050470), (20, 3645423), (30, 2430282), (36, 2025235), (45, 1620188), (60, 1215141), (90, 810094), (180, 405047)]