81289830

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{503}}^1\times {\mathrm{5387}}^1$

素因数の和:5900

約数の個数: 32

約数和(自身を含む): 195519744

約数和(自身を除く): 114229914

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 503, 1006, 1509, 2515, 3018, 5030, 5387, 7545, 10774, 15090, 16161, 26935, 32322, 53870, 80805, 161610, 2709661, 5419322, 8128983, 13548305, 16257966, 27096610, 40644915, 81289830]

約数ペア:

[(1, 81289830), (2, 40644915), (3, 27096610), (5, 16257966), (6, 13548305), (10, 8128983), (15, 5419322), (30, 2709661), (503, 161610), (1006, 80805), (1509, 53870), (2515, 32322), (3018, 26935), (5030, 16161), (5387, 15090), (7545, 10774)]