209051880

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{28559}}^1$

素因数の和:28634

約数の個数: 64

約数和(自身を含む): 637459200

約数和(自身を除く): 428407320

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, 28559, 57118, 85677, 114236, 142795, 171354, 228472, 285590, 342708, 428385, 571180, 685416, 856770, 1142360, 1713540, 1742099, 3427080, 3484198, 5226297, 6968396, 8710495, 10452594, 13936792, 17420990, 20905188, 26131485, 34841980, 41810376, 52262970, 69683960, 104525940, 209051880]

約数ペア:

[(1, 209051880), (2, 104525940), (3, 69683960), (4, 52262970), (5, 41810376), (6, 34841980), (8, 26131485), (10, 20905188), (12, 17420990), (15, 13936792), (20, 10452594), (24, 8710495), (30, 6968396), (40, 5226297), (60, 3484198), (61, 3427080), (120, 1742099), (122, 1713540), (183, 1142360), (244, 856770), (305, 685416), (366, 571180), (488, 428385), (610, 342708), (732, 285590), (915, 228472), (1220, 171354), (1464, 142795), (1830, 114236), (2440, 85677), (3660, 57118), (7320, 28559)]