71931960

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{199811}}^1$

素因数の和:199828

約数の個数: 48

約数和(自身を含む): 233780040

約数和(自身を除く): 161848080

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 360, 199811, 399622, 599433, 799244, 999055, 1198866, 1598488, 1798299, 1998110, 2397732, 2997165, 3596598, 3996220, 4795464, 5994330, 7193196, 7992440, 8991495, 11988660, 14386392, 17982990, 23977320, 35965980, 71931960]

約数ペア:

[(1, 71931960), (2, 35965980), (3, 23977320), (4, 17982990), (5, 14386392), (6, 11988660), (8, 8991495), (9, 7992440), (10, 7193196), (12, 5994330), (15, 4795464), (18, 3996220), (20, 3596598), (24, 2997165), (30, 2397732), (36, 1998110), (40, 1798299), (45, 1598488), (60, 1198866), (72, 999055), (90, 799244), (120, 599433), (180, 399622), (360, 199811)]