15504709720

素因数分解:

$2^3\times 5^1\times {\mathrm{1303}}^1\times {\mathrm{297481}}^1$

素因数の和:298795

約数の個数: 32

約数和(自身を含む): 34912487520

約数和(自身を除く): 19407777800

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1303, 2606, 5212, 6515, 10424, 13030, 26060, 52120, 297481, 594962, 1189924, 1487405, 2379848, 2974810, 5949620, 11899240, 387617743, 775235486, 1550470972, 1938088715, 3100941944, 3876177430, 7752354860, 15504709720]

約数ペア:

[(1, 15504709720), (2, 7752354860), (4, 3876177430), (5, 3100941944), (8, 1938088715), (10, 1550470972), (20, 775235486), (40, 387617743), (1303, 11899240), (2606, 5949620), (5212, 2974810), (6515, 2379848), (10424, 1487405), (13030, 1189924), (26060, 594962), (52120, 297481)]