78187890

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{7643}}^1$

素因数の和:7695

約数の個数: 64

約数和(自身を含む): 211341312

約数和(自身を除く): 133153422

約数列:

[1, 2, 3, 5, 6, 10, 11, 15, 22, 30, 31, 33, 55, 62, 66, 93, 110, 155, 165, 186, 310, 330, 341, 465, 682, 930, 1023, 1705, 2046, 3410, 5115, 7643, 10230, 15286, 22929, 38215, 45858, 76430, 84073, 114645, 168146, 229290, 236933, 252219, 420365, 473866, 504438, 710799, 840730, 1184665, 1261095, 1421598, 2369330, 2522190, 2606263, 3553995, 5212526, 7107990, 7818789, 13031315, 15637578, 26062630, 39093945, 78187890]

約数ペア:

[(1, 78187890), (2, 39093945), (3, 26062630), (5, 15637578), (6, 13031315), (10, 7818789), (11, 7107990), (15, 5212526), (22, 3553995), (30, 2606263), (31, 2522190), (33, 2369330), (55, 1421598), (62, 1261095), (66, 1184665), (93, 840730), (110, 710799), (155, 504438), (165, 473866), (186, 420365), (310, 252219), (330, 236933), (341, 229290), (465, 168146), (682, 114645), (930, 84073), (1023, 76430), (1705, 45858), (2046, 38215), (3410, 22929), (5115, 15286), (7643, 10230)]