81200400

素因数分解:

$2^4\times 3^1\times 5^2\times {\mathrm{157}}^1\times {\mathrm{431}}^1$

素因数の和:609

約数の個数: 120

約数和(自身を含む): 262376064

約数和(自身を除く): 181175664

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 25, 30, 40, 48, 50, 60, 75, 80, 100, 120, 150, 157, 200, 240, 300, 314, 400, 431, 471, 600, 628, 785, 862, 942, 1200, 1256, 1293, 1570, 1724, 1884, 2155, 2355, 2512, 2586, 3140, 3448, 3768, 3925, 4310, 4710, 5172, 6280, 6465, 6896, 7536, 7850, 8620, 9420, 10344, 10775, 11775, 12560, 12930, 15700, 17240, 18840, 20688, 21550, 23550, 25860, 31400, 32325, 34480, 37680, 43100, 47100, 51720, 62800, 64650, 67667, 86200, 94200, 103440, 129300, 135334, 172400, 188400, 203001, 258600, 270668, 338335, 406002, 517200, 541336, 676670, 812004, 1015005, 1082672, 1353340, 1624008, 1691675, 2030010, 2706680, 3248016, 3383350, 4060020, 5075025, 5413360, 6766700, 8120040, 10150050, 13533400, 16240080, 20300100, 27066800, 40600200, 81200400]

約数ペア:

[(1, 81200400), (2, 40600200), (3, 27066800), (4, 20300100), (5, 16240080), (6, 13533400), (8, 10150050), (10, 8120040), (12, 6766700), (15, 5413360), (16, 5075025), (20, 4060020), (24, 3383350), (25, 3248016), (30, 2706680), (40, 2030010), (48, 1691675), (50, 1624008), (60, 1353340), (75, 1082672), (80, 1015005), (100, 812004), (120, 676670), (150, 541336), (157, 517200), (200, 406002), (240, 338335), (300, 270668), (314, 258600), (400, 203001), (431, 188400), (471, 172400), (600, 135334), (628, 129300), (785, 103440), (862, 94200), (942, 86200), (1200, 67667), (1256, 64650), (1293, 62800), (1570, 51720), (1724, 47100), (1884, 43100), (2155, 37680), (2355, 34480), (2512, 32325), (2586, 31400), (3140, 25860), (3448, 23550), (3768, 21550), (3925, 20688), (4310, 18840), (4710, 17240), (5172, 15700), (6280, 12930), (6465, 12560), (6896, 11775), (7536, 10775), (7850, 10344), (8620, 9420)]