61566440

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{197}}^1\times {\mathrm{601}}^1$

素因数の和:822

約数の個数: 64

約数和(自身を含む): 150186960

約数和(自身を除く): 88620520

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 197, 260, 394, 520, 601, 788, 985, 1202, 1576, 1970, 2404, 2561, 3005, 3940, 4808, 5122, 6010, 7813, 7880, 10244, 12020, 12805, 15626, 20488, 24040, 25610, 31252, 39065, 51220, 62504, 78130, 102440, 118397, 156260, 236794, 312520, 473588, 591985, 947176, 1183970, 1539161, 2367940, 3078322, 4735880, 6156644, 7695805, 12313288, 15391610, 30783220, 61566440]

約数ペア:

[(1, 61566440), (2, 30783220), (4, 15391610), (5, 12313288), (8, 7695805), (10, 6156644), (13, 4735880), (20, 3078322), (26, 2367940), (40, 1539161), (52, 1183970), (65, 947176), (104, 591985), (130, 473588), (197, 312520), (260, 236794), (394, 156260), (520, 118397), (601, 102440), (788, 78130), (985, 62504), (1202, 51220), (1576, 39065), (1970, 31252), (2404, 25610), (2561, 24040), (3005, 20488), (3940, 15626), (4808, 12805), (5122, 12020), (6010, 10244), (7813, 7880)]