221525880

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{80263}}^1$

素因数の和:80300

約数の個数: 64

約数和(自身を含む): 693480960

約数和(自身を除く): 471955080

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 23, 24, 30, 40, 46, 60, 69, 92, 115, 120, 138, 184, 230, 276, 345, 460, 552, 690, 920, 1380, 2760, 80263, 160526, 240789, 321052, 401315, 481578, 642104, 802630, 963156, 1203945, 1605260, 1846049, 1926312, 2407890, 3210520, 3692098, 4815780, 5538147, 7384196, 9230245, 9631560, 11076294, 14768392, 18460490, 22152588, 27690735, 36920980, 44305176, 55381470, 73841960, 110762940, 221525880]

約数ペア:

[(1, 221525880), (2, 110762940), (3, 73841960), (4, 55381470), (5, 44305176), (6, 36920980), (8, 27690735), (10, 22152588), (12, 18460490), (15, 14768392), (20, 11076294), (23, 9631560), (24, 9230245), (30, 7384196), (40, 5538147), (46, 4815780), (60, 3692098), (69, 3210520), (92, 2407890), (115, 1926312), (120, 1846049), (138, 1605260), (184, 1203945), (230, 963156), (276, 802630), (345, 642104), (460, 481578), (552, 401315), (690, 321052), (920, 240789), (1380, 160526), (2760, 80263)]