81079040

素因数分解:

$2^8\times 5^1\times 7^1\times {\mathrm{9049}}^1$

素因数の和:9077

約数の個数: 72

約数和(自身を含む): 221978400

約数和(自身を除く): 140899360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 128, 140, 160, 224, 256, 280, 320, 448, 560, 640, 896, 1120, 1280, 1792, 2240, 4480, 8960, 9049, 18098, 36196, 45245, 63343, 72392, 90490, 126686, 144784, 180980, 253372, 289568, 316715, 361960, 506744, 579136, 633430, 723920, 1013488, 1158272, 1266860, 1447840, 2026976, 2316544, 2533720, 2895680, 4053952, 5067440, 5791360, 8107904, 10134880, 11582720, 16215808, 20269760, 40539520, 81079040]

約数ペア:

[(1, 81079040), (2, 40539520), (4, 20269760), (5, 16215808), (7, 11582720), (8, 10134880), (10, 8107904), (14, 5791360), (16, 5067440), (20, 4053952), (28, 2895680), (32, 2533720), (35, 2316544), (40, 2026976), (56, 1447840), (64, 1266860), (70, 1158272), (80, 1013488), (112, 723920), (128, 633430), (140, 579136), (160, 506744), (224, 361960), (256, 316715), (280, 289568), (320, 253372), (448, 180980), (560, 144784), (640, 126686), (896, 90490), (1120, 72392), (1280, 63343), (1792, 45245), (2240, 36196), (4480, 18098), (8960, 9049)]