389982240

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{270821}}^1$

素因数の和:270842

約数の個数: 72

約数和(自身を含む): 1330819308

約数和(自身を除く): 940837068

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 72, 80, 90, 96, 120, 144, 160, 180, 240, 288, 360, 480, 720, 1440, 270821, 541642, 812463, 1083284, 1354105, 1624926, 2166568, 2437389, 2708210, 3249852, 4062315, 4333136, 4874778, 5416420, 6499704, 8124630, 8666272, 9749556, 10832840, 12186945, 12999408, 16249260, 19499112, 21665680, 24373890, 25998816, 32498520, 38998224, 43331360, 48747780, 64997040, 77996448, 97495560, 129994080, 194991120, 389982240]

約数ペア:

[(1, 389982240), (2, 194991120), (3, 129994080), (4, 97495560), (5, 77996448), (6, 64997040), (8, 48747780), (9, 43331360), (10, 38998224), (12, 32498520), (15, 25998816), (16, 24373890), (18, 21665680), (20, 19499112), (24, 16249260), (30, 12999408), (32, 12186945), (36, 10832840), (40, 9749556), (45, 8666272), (48, 8124630), (60, 6499704), (72, 5416420), (80, 4874778), (90, 4333136), (96, 4062315), (120, 3249852), (144, 2708210), (160, 2437389), (180, 2166568), (240, 1624926), (288, 1354105), (360, 1083284), (480, 812463), (720, 541642), (1440, 270821)]