78740025

素因数分解:

$3^1\times 5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{139}}^1$

素因数の和:255

約数の個数: 96

約数和(自身を含む): 163322880

約数和(自身を除く): 84582855

約数列:

[1, 3, 5, 7, 13, 15, 21, 25, 35, 39, 65, 75, 83, 91, 105, 139, 175, 195, 249, 273, 325, 415, 417, 455, 525, 581, 695, 973, 975, 1079, 1245, 1365, 1743, 1807, 2075, 2085, 2275, 2905, 2919, 3237, 3475, 4865, 5395, 5421, 6225, 6825, 7553, 8715, 9035, 10425, 11537, 12649, 14525, 14595, 16185, 22659, 24325, 26975, 27105, 34611, 37765, 37947, 43575, 45175, 57685, 63245, 72975, 80759, 80925, 113295, 135525, 149981, 173055, 188825, 189735, 242277, 288425, 316225, 403795, 449943, 566475, 749905, 865275, 948675, 1049867, 1211385, 2018975, 2249715, 3149601, 3749525, 5249335, 6056925, 11248575, 15748005, 26246675, 78740025]

約数ペア:

[(1, 78740025), (3, 26246675), (5, 15748005), (7, 11248575), (13, 6056925), (15, 5249335), (21, 3749525), (25, 3149601), (35, 2249715), (39, 2018975), (65, 1211385), (75, 1049867), (83, 948675), (91, 865275), (105, 749905), (139, 566475), (175, 449943), (195, 403795), (249, 316225), (273, 288425), (325, 242277), (415, 189735), (417, 188825), (455, 173055), (525, 149981), (581, 135525), (695, 113295), (973, 80925), (975, 80759), (1079, 72975), (1245, 63245), (1365, 57685), (1743, 45175), (1807, 43575), (2075, 37947), (2085, 37765), (2275, 34611), (2905, 27105), (2919, 26975), (3237, 24325), (3475, 22659), (4865, 16185), (5395, 14595), (5421, 14525), (6225, 12649), (6825, 11537), (7553, 10425), (8715, 9035)]