31775640

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{20369}}^1$

素因数の和:20396

約数の個数: 64

約数和(自身を含む): 102664800

約数和(自身を除く): 70889160

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 60, 65, 78, 104, 120, 130, 156, 195, 260, 312, 390, 520, 780, 1560, 20369, 40738, 61107, 81476, 101845, 122214, 162952, 203690, 244428, 264797, 305535, 407380, 488856, 529594, 611070, 794391, 814760, 1059188, 1222140, 1323985, 1588782, 2118376, 2444280, 2647970, 3177564, 3971955, 5295940, 6355128, 7943910, 10591880, 15887820, 31775640]

約数ペア:

[(1, 31775640), (2, 15887820), (3, 10591880), (4, 7943910), (5, 6355128), (6, 5295940), (8, 3971955), (10, 3177564), (12, 2647970), (13, 2444280), (15, 2118376), (20, 1588782), (24, 1323985), (26, 1222140), (30, 1059188), (39, 814760), (40, 794391), (52, 611070), (60, 529594), (65, 488856), (78, 407380), (104, 305535), (120, 264797), (130, 244428), (156, 203690), (195, 162952), (260, 122214), (312, 101845), (390, 81476), (520, 61107), (780, 40738), (1560, 20369)]