78304080

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{431}}^1\times {\mathrm{757}}^1$

素因数の和:1204

約数の個数: 80

約数和(自身を含む): 243627264

約数和(自身を除く): 165323184

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 431, 757, 862, 1293, 1514, 1724, 2155, 2271, 2586, 3028, 3448, 3785, 4310, 4542, 5172, 6056, 6465, 6896, 7570, 8620, 9084, 10344, 11355, 12112, 12930, 15140, 17240, 18168, 20688, 22710, 25860, 30280, 34480, 36336, 45420, 51720, 60560, 90840, 103440, 181680, 326267, 652534, 978801, 1305068, 1631335, 1957602, 2610136, 3262670, 3915204, 4894005, 5220272, 6525340, 7830408, 9788010, 13050680, 15660816, 19576020, 26101360, 39152040, 78304080]

約数ペア:

[(1, 78304080), (2, 39152040), (3, 26101360), (4, 19576020), (5, 15660816), (6, 13050680), (8, 9788010), (10, 7830408), (12, 6525340), (15, 5220272), (16, 4894005), (20, 3915204), (24, 3262670), (30, 2610136), (40, 1957602), (48, 1631335), (60, 1305068), (80, 978801), (120, 652534), (240, 326267), (431, 181680), (757, 103440), (862, 90840), (1293, 60560), (1514, 51720), (1724, 45420), (2155, 36336), (2271, 34480), (2586, 30280), (3028, 25860), (3448, 22710), (3785, 20688), (4310, 18168), (4542, 17240), (5172, 15140), (6056, 12930), (6465, 12112), (6896, 11355), (7570, 10344), (8620, 9084)]