155132720

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{102061}}^1$

素因数の和:102093

約数の個数: 40

約数和(自身を含む): 379670640

約数和(自身を除く): 224537920

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 760, 1520, 102061, 204122, 408244, 510305, 816488, 1020610, 1632976, 1939159, 2041220, 3878318, 4082440, 7756636, 8164880, 9695795, 15513272, 19391590, 31026544, 38783180, 77566360, 155132720]

約数ペア:

[(1, 155132720), (2, 77566360), (4, 38783180), (5, 31026544), (8, 19391590), (10, 15513272), (16, 9695795), (19, 8164880), (20, 7756636), (38, 4082440), (40, 3878318), (76, 2041220), (80, 1939159), (95, 1632976), (152, 1020610), (190, 816488), (304, 510305), (380, 408244), (760, 204122), (1520, 102061)]