81852240

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{5591}}^1$

素因数の和:5668

約数の個数: 80

約数和(自身を含む): 257947776

約数和(自身を除く): 176095536

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 61, 80, 120, 122, 183, 240, 244, 305, 366, 488, 610, 732, 915, 976, 1220, 1464, 1830, 2440, 2928, 3660, 4880, 5591, 7320, 11182, 14640, 16773, 22364, 27955, 33546, 44728, 55910, 67092, 83865, 89456, 111820, 134184, 167730, 223640, 268368, 335460, 341051, 447280, 670920, 682102, 1023153, 1341840, 1364204, 1705255, 2046306, 2728408, 3410510, 4092612, 5115765, 5456816, 6821020, 8185224, 10231530, 13642040, 16370448, 20463060, 27284080, 40926120, 81852240]

約数ペア:

[(1, 81852240), (2, 40926120), (3, 27284080), (4, 20463060), (5, 16370448), (6, 13642040), (8, 10231530), (10, 8185224), (12, 6821020), (15, 5456816), (16, 5115765), (20, 4092612), (24, 3410510), (30, 2728408), (40, 2046306), (48, 1705255), (60, 1364204), (61, 1341840), (80, 1023153), (120, 682102), (122, 670920), (183, 447280), (240, 341051), (244, 335460), (305, 268368), (366, 223640), (488, 167730), (610, 134184), (732, 111820), (915, 89456), (976, 83865), (1220, 67092), (1464, 55910), (1830, 44728), (2440, 33546), (2928, 27955), (3660, 22364), (4880, 16773), (5591, 14640), (7320, 11182)]