81637490

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{67}}^1$

素因数の和:168

約数の個数: 96

約数和(自身を含む): 175815360

約数和(自身を除く): 94177870

約数列:

[1, 2, 5, 10, 11, 19, 22, 38, 53, 55, 67, 95, 106, 110, 121, 134, 190, 209, 242, 265, 335, 418, 530, 583, 605, 670, 737, 1007, 1045, 1166, 1210, 1273, 1474, 2014, 2090, 2299, 2546, 2915, 3551, 3685, 4598, 5035, 5830, 6365, 6413, 7102, 7370, 8107, 10070, 11077, 11495, 12730, 12826, 14003, 16214, 17755, 22154, 22990, 28006, 32065, 35510, 39061, 40535, 55385, 64130, 67469, 70015, 78122, 81070, 110770, 121847, 134938, 140030, 154033, 195305, 243694, 308066, 337345, 390610, 429671, 609235, 674690, 742159, 770165, 859342, 1218470, 1484318, 1540330, 2148355, 3710795, 4296710, 7421590, 8163749, 16327498, 40818745, 81637490]

約数ペア:

[(1, 81637490), (2, 40818745), (5, 16327498), (10, 8163749), (11, 7421590), (19, 4296710), (22, 3710795), (38, 2148355), (53, 1540330), (55, 1484318), (67, 1218470), (95, 859342), (106, 770165), (110, 742159), (121, 674690), (134, 609235), (190, 429671), (209, 390610), (242, 337345), (265, 308066), (335, 243694), (418, 195305), (530, 154033), (583, 140030), (605, 134938), (670, 121847), (737, 110770), (1007, 81070), (1045, 78122), (1166, 70015), (1210, 67469), (1273, 64130), (1474, 55385), (2014, 40535), (2090, 39061), (2299, 35510), (2546, 32065), (2915, 28006), (3551, 22990), (3685, 22154), (4598, 17755), (5035, 16214), (5830, 14003), (6365, 12826), (6413, 12730), (7102, 11495), (7370, 11077), (8107, 10070)]