164478420

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{379}}^1\times {\mathrm{2411}}^1$

素因数の和:2805

約数の個数: 72

約数和(自身を含む): 500441760

約数和(自身を除く): 335963340

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 379, 758, 1137, 1516, 1895, 2274, 2411, 3411, 3790, 4548, 4822, 5685, 6822, 7233, 7580, 9644, 11370, 12055, 13644, 14466, 17055, 21699, 22740, 24110, 28932, 34110, 36165, 43398, 48220, 68220, 72330, 86796, 108495, 144660, 216990, 433980, 913769, 1827538, 2741307, 3655076, 4568845, 5482614, 8223921, 9137690, 10965228, 13706535, 16447842, 18275380, 27413070, 32895684, 41119605, 54826140, 82239210, 164478420]

約数ペア:

[(1, 164478420), (2, 82239210), (3, 54826140), (4, 41119605), (5, 32895684), (6, 27413070), (9, 18275380), (10, 16447842), (12, 13706535), (15, 10965228), (18, 9137690), (20, 8223921), (30, 5482614), (36, 4568845), (45, 3655076), (60, 2741307), (90, 1827538), (180, 913769), (379, 433980), (758, 216990), (1137, 144660), (1516, 108495), (1895, 86796), (2274, 72330), (2411, 68220), (3411, 48220), (3790, 43398), (4548, 36165), (4822, 34110), (5685, 28932), (6822, 24110), (7233, 22740), (7580, 21699), (9644, 17055), (11370, 14466), (12055, 13644)]