157811880

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{21559}}^1$

素因数の和:21634

約数の個数: 64

約数和(自身を含む): 481219200

約数和(自身を除く): 323407320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 61, 120, 122, 183, 244, 305, 366, 488, 610, 732, 915, 1220, 1464, 1830, 2440, 3660, 7320, 21559, 43118, 64677, 86236, 107795, 129354, 172472, 215590, 258708, 323385, 431180, 517416, 646770, 862360, 1293540, 1315099, 2587080, 2630198, 3945297, 5260396, 6575495, 7890594, 10520792, 13150990, 15781188, 19726485, 26301980, 31562376, 39452970, 52603960, 78905940, 157811880]

約数ペア:

[(1, 157811880), (2, 78905940), (3, 52603960), (4, 39452970), (5, 31562376), (6, 26301980), (8, 19726485), (10, 15781188), (12, 13150990), (15, 10520792), (20, 7890594), (24, 6575495), (30, 5260396), (40, 3945297), (60, 2630198), (61, 2587080), (120, 1315099), (122, 1293540), (183, 862360), (244, 646770), (305, 517416), (366, 431180), (488, 323385), (610, 258708), (732, 215590), (915, 172472), (1220, 129354), (1464, 107795), (1830, 86236), (2440, 64677), (3660, 43118), (7320, 21559)]