51213420

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{9811}}^1$

素因数の和:9855

約数の個数: 72

約数和(自身を含む): 160720560

約数和(自身を除く): 109507140

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 29, 30, 36, 45, 58, 60, 87, 90, 116, 145, 174, 180, 261, 290, 348, 435, 522, 580, 870, 1044, 1305, 1740, 2610, 5220, 9811, 19622, 29433, 39244, 49055, 58866, 88299, 98110, 117732, 147165, 176598, 196220, 284519, 294330, 353196, 441495, 569038, 588660, 853557, 882990, 1138076, 1422595, 1707114, 1765980, 2560671, 2845190, 3414228, 4267785, 5121342, 5690380, 8535570, 10242684, 12803355, 17071140, 25606710, 51213420]

約数ペア:

[(1, 51213420), (2, 25606710), (3, 17071140), (4, 12803355), (5, 10242684), (6, 8535570), (9, 5690380), (10, 5121342), (12, 4267785), (15, 3414228), (18, 2845190), (20, 2560671), (29, 1765980), (30, 1707114), (36, 1422595), (45, 1138076), (58, 882990), (60, 853557), (87, 588660), (90, 569038), (116, 441495), (145, 353196), (174, 294330), (180, 284519), (261, 196220), (290, 176598), (348, 147165), (435, 117732), (522, 98110), (580, 88299), (870, 58866), (1044, 49055), (1305, 39244), (1740, 29433), (2610, 19622), (5220, 9811)]