157215880

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{6673}}^1$

素因数の和:6734

約数の個数: 64

約数和(自身を含む): 384422400

約数和(自身を除く): 227206520

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 31, 38, 40, 62, 76, 95, 124, 152, 155, 190, 248, 310, 380, 589, 620, 760, 1178, 1240, 2356, 2945, 4712, 5890, 6673, 11780, 13346, 23560, 26692, 33365, 53384, 66730, 126787, 133460, 206863, 253574, 266920, 413726, 507148, 633935, 827452, 1014296, 1034315, 1267870, 1654904, 2068630, 2535740, 3930397, 4137260, 5071480, 7860794, 8274520, 15721588, 19651985, 31443176, 39303970, 78607940, 157215880]

約数ペア:

[(1, 157215880), (2, 78607940), (4, 39303970), (5, 31443176), (8, 19651985), (10, 15721588), (19, 8274520), (20, 7860794), (31, 5071480), (38, 4137260), (40, 3930397), (62, 2535740), (76, 2068630), (95, 1654904), (124, 1267870), (152, 1034315), (155, 1014296), (190, 827452), (248, 633935), (310, 507148), (380, 413726), (589, 266920), (620, 253574), (760, 206863), (1178, 133460), (1240, 126787), (2356, 66730), (2945, 53384), (4712, 33365), (5890, 26692), (6673, 23560), (11780, 13346)]