16860720

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{163}}^1\times {\mathrm{431}}^1$

素因数の和:610

約数の個数: 80

約数和(自身を含む): 52710912

約数和(自身を除く): 35850192

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 163, 240, 326, 431, 489, 652, 815, 862, 978, 1293, 1304, 1630, 1724, 1956, 2155, 2445, 2586, 2608, 3260, 3448, 3912, 4310, 4890, 5172, 6465, 6520, 6896, 7824, 8620, 9780, 10344, 12930, 13040, 17240, 19560, 20688, 25860, 34480, 39120, 51720, 70253, 103440, 140506, 210759, 281012, 351265, 421518, 562024, 702530, 843036, 1053795, 1124048, 1405060, 1686072, 2107590, 2810120, 3372144, 4215180, 5620240, 8430360, 16860720]

約数ペア:

[(1, 16860720), (2, 8430360), (3, 5620240), (4, 4215180), (5, 3372144), (6, 2810120), (8, 2107590), (10, 1686072), (12, 1405060), (15, 1124048), (16, 1053795), (20, 843036), (24, 702530), (30, 562024), (40, 421518), (48, 351265), (60, 281012), (80, 210759), (120, 140506), (163, 103440), (240, 70253), (326, 51720), (431, 39120), (489, 34480), (652, 25860), (815, 20688), (862, 19560), (978, 17240), (1293, 13040), (1304, 12930), (1630, 10344), (1724, 9780), (1956, 8620), (2155, 7824), (2445, 6896), (2586, 6520), (2608, 6465), (3260, 5172), (3448, 4890), (3912, 4310)]