61482920

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{179}}^1\times {\mathrm{277}}^1$

素因数の和:498

約数の個数: 64

約数和(自身を含む): 144115200

約数和(自身を除く): 82632280

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 179, 248, 277, 310, 358, 554, 620, 716, 895, 1108, 1240, 1385, 1432, 1790, 2216, 2770, 3580, 5540, 5549, 7160, 8587, 11080, 11098, 17174, 22196, 27745, 34348, 42935, 44392, 49583, 55490, 68696, 85870, 99166, 110980, 171740, 198332, 221960, 247915, 343480, 396664, 495830, 991660, 1537073, 1983320, 3074146, 6148292, 7685365, 12296584, 15370730, 30741460, 61482920]

約数ペア:

[(1, 61482920), (2, 30741460), (4, 15370730), (5, 12296584), (8, 7685365), (10, 6148292), (20, 3074146), (31, 1983320), (40, 1537073), (62, 991660), (124, 495830), (155, 396664), (179, 343480), (248, 247915), (277, 221960), (310, 198332), (358, 171740), (554, 110980), (620, 99166), (716, 85870), (895, 68696), (1108, 55490), (1240, 49583), (1385, 44392), (1432, 42935), (1790, 34348), (2216, 27745), (2770, 22196), (3580, 17174), (5540, 11098), (5549, 11080), (7160, 8587)]