145520

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{107}}^1$

素因数の和:137

約数の個数: 40

約数和(自身を含む): 361584

約数和(自身を除く): 216064

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 107, 136, 170, 214, 272, 340, 428, 535, 680, 856, 1070, 1360, 1712, 1819, 2140, 3638, 4280, 7276, 8560, 9095, 14552, 18190, 29104, 36380, 72760, 145520]

約数ペア:

[(1, 145520), (2, 72760), (4, 36380), (5, 29104), (8, 18190), (10, 14552), (16, 9095), (17, 8560), (20, 7276), (34, 4280), (40, 3638), (68, 2140), (80, 1819), (85, 1712), (107, 1360), (136, 1070), (170, 856), (214, 680), (272, 535), (340, 428)]