28480530

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{709}}^1$

素因数の和:835

約数の個数: 64

約数和(自身を含む): 74430720

約数和(自身を除く): 45950190

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 103, 130, 195, 206, 309, 390, 515, 618, 709, 1030, 1339, 1418, 1545, 2127, 2678, 3090, 3545, 4017, 4254, 6695, 7090, 8034, 9217, 10635, 13390, 18434, 20085, 21270, 27651, 40170, 46085, 55302, 73027, 92170, 138255, 146054, 219081, 276510, 365135, 438162, 730270, 949351, 1095405, 1898702, 2190810, 2848053, 4746755, 5696106, 9493510, 14240265, 28480530]

約数ペア:

[(1, 28480530), (2, 14240265), (3, 9493510), (5, 5696106), (6, 4746755), (10, 2848053), (13, 2190810), (15, 1898702), (26, 1095405), (30, 949351), (39, 730270), (65, 438162), (78, 365135), (103, 276510), (130, 219081), (195, 146054), (206, 138255), (309, 92170), (390, 73027), (515, 55302), (618, 46085), (709, 40170), (1030, 27651), (1339, 21270), (1418, 20085), (1545, 18434), (2127, 13390), (2678, 10635), (3090, 9217), (3545, 8034), (4017, 7090), (4254, 6695)]