72805720

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{7369}}^1$

素因数の和:7412

約数の個数: 64

約数和(自身を含む): 185724000

約数和(自身を除く): 112918280

約数列:

[1, 2, 4, 5, 8, 10, 13, 19, 20, 26, 38, 40, 52, 65, 76, 95, 104, 130, 152, 190, 247, 260, 380, 494, 520, 760, 988, 1235, 1976, 2470, 4940, 7369, 9880, 14738, 29476, 36845, 58952, 73690, 95797, 140011, 147380, 191594, 280022, 294760, 383188, 478985, 560044, 700055, 766376, 957970, 1120088, 1400110, 1820143, 1915940, 2800220, 3640286, 3831880, 5600440, 7280572, 9100715, 14561144, 18201430, 36402860, 72805720]

約数ペア:

[(1, 72805720), (2, 36402860), (4, 18201430), (5, 14561144), (8, 9100715), (10, 7280572), (13, 5600440), (19, 3831880), (20, 3640286), (26, 2800220), (38, 1915940), (40, 1820143), (52, 1400110), (65, 1120088), (76, 957970), (95, 766376), (104, 700055), (130, 560044), (152, 478985), (190, 383188), (247, 294760), (260, 280022), (380, 191594), (494, 147380), (520, 140011), (760, 95797), (988, 73690), (1235, 58952), (1976, 36845), (2470, 29476), (4940, 14738), (7369, 9880)]