83978820

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{379}}^1\times {\mathrm{1231}}^1$

素因数の和:1625

約数の個数: 72

約数和(自身を含む): 255615360

約数和(自身を除く): 171636540

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 379, 758, 1137, 1231, 1516, 1895, 2274, 2462, 3411, 3693, 3790, 4548, 4924, 5685, 6155, 6822, 7386, 7580, 11079, 11370, 12310, 13644, 14772, 17055, 18465, 22158, 22740, 24620, 34110, 36930, 44316, 55395, 68220, 73860, 110790, 221580, 466549, 933098, 1399647, 1866196, 2332745, 2799294, 4198941, 4665490, 5598588, 6998235, 8397882, 9330980, 13996470, 16795764, 20994705, 27992940, 41989410, 83978820]

約数ペア:

[(1, 83978820), (2, 41989410), (3, 27992940), (4, 20994705), (5, 16795764), (6, 13996470), (9, 9330980), (10, 8397882), (12, 6998235), (15, 5598588), (18, 4665490), (20, 4198941), (30, 2799294), (36, 2332745), (45, 1866196), (60, 1399647), (90, 933098), (180, 466549), (379, 221580), (758, 110790), (1137, 73860), (1231, 68220), (1516, 55395), (1895, 44316), (2274, 36930), (2462, 34110), (3411, 24620), (3693, 22740), (3790, 22158), (4548, 18465), (4924, 17055), (5685, 14772), (6155, 13644), (6822, 12310), (7386, 11370), (7580, 11079)]