161780520

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{122561}}^1$

素因数の和:122586

約数の個数: 64

約数和(自身を含む): 529467840

約数和(自身を除く): 367687320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 20, 22, 24, 30, 33, 40, 44, 55, 60, 66, 88, 110, 120, 132, 165, 220, 264, 330, 440, 660, 1320, 122561, 245122, 367683, 490244, 612805, 735366, 980488, 1225610, 1348171, 1470732, 1838415, 2451220, 2696342, 2941464, 3676830, 4044513, 4902440, 5392684, 6740855, 7353660, 8089026, 10785368, 13481710, 14707320, 16178052, 20222565, 26963420, 32356104, 40445130, 53926840, 80890260, 161780520]

約数ペア:

[(1, 161780520), (2, 80890260), (3, 53926840), (4, 40445130), (5, 32356104), (6, 26963420), (8, 20222565), (10, 16178052), (11, 14707320), (12, 13481710), (15, 10785368), (20, 8089026), (22, 7353660), (24, 6740855), (30, 5392684), (33, 4902440), (40, 4044513), (44, 3676830), (55, 2941464), (60, 2696342), (66, 2451220), (88, 1838415), (110, 1470732), (120, 1348171), (132, 1225610), (165, 980488), (220, 735366), (264, 612805), (330, 490244), (440, 367683), (660, 245122), (1320, 122561)]