57342780

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{28961}}^1$

素因数の和:28987

約数の個数: 72

約数和(自身を含む): 189759024

約数和(自身を除く): 132416244

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 30, 33, 36, 44, 45, 55, 60, 66, 90, 99, 110, 132, 165, 180, 198, 220, 330, 396, 495, 660, 990, 1980, 28961, 57922, 86883, 115844, 144805, 173766, 260649, 289610, 318571, 347532, 434415, 521298, 579220, 637142, 868830, 955713, 1042596, 1274284, 1303245, 1592855, 1737660, 1911426, 2606490, 2867139, 3185710, 3822852, 4778565, 5212980, 5734278, 6371420, 9557130, 11468556, 14335695, 19114260, 28671390, 57342780]

約数ペア:

[(1, 57342780), (2, 28671390), (3, 19114260), (4, 14335695), (5, 11468556), (6, 9557130), (9, 6371420), (10, 5734278), (11, 5212980), (12, 4778565), (15, 3822852), (18, 3185710), (20, 2867139), (22, 2606490), (30, 1911426), (33, 1737660), (36, 1592855), (44, 1303245), (45, 1274284), (55, 1042596), (60, 955713), (66, 868830), (90, 637142), (99, 579220), (110, 521298), (132, 434415), (165, 347532), (180, 318571), (198, 289610), (220, 260649), (330, 173766), (396, 144805), (495, 115844), (660, 86883), (990, 57922), (1980, 28961)]