164097320

素因数分解:

$2^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{109}}^1\times {\mathrm{617}}^1$

素因数の和:798

約数の個数: 64

約数和(自身を含む): 379328400

約数和(自身を除く): 215231080

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 61, 109, 122, 218, 244, 305, 436, 488, 545, 610, 617, 872, 1090, 1220, 1234, 2180, 2440, 2468, 3085, 4360, 4936, 6170, 6649, 12340, 13298, 24680, 26596, 33245, 37637, 53192, 66490, 67253, 75274, 132980, 134506, 150548, 188185, 265960, 269012, 301096, 336265, 376370, 538024, 672530, 752740, 1345060, 1505480, 2690120, 4102433, 8204866, 16409732, 20512165, 32819464, 41024330, 82048660, 164097320]

約数ペア:

[(1, 164097320), (2, 82048660), (4, 41024330), (5, 32819464), (8, 20512165), (10, 16409732), (20, 8204866), (40, 4102433), (61, 2690120), (109, 1505480), (122, 1345060), (218, 752740), (244, 672530), (305, 538024), (436, 376370), (488, 336265), (545, 301096), (610, 269012), (617, 265960), (872, 188185), (1090, 150548), (1220, 134506), (1234, 132980), (2180, 75274), (2440, 67253), (2468, 66490), (3085, 53192), (4360, 37637), (4936, 33245), (6170, 26596), (6649, 24680), (12340, 13298)]