30971640

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{36871}}^1$

素因数の和:36892

約数の個数: 64

約数和(自身を含む): 106191360

約数和(自身を除く): 75219720

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 840, 36871, 73742, 110613, 147484, 184355, 221226, 258097, 294968, 368710, 442452, 516194, 553065, 737420, 774291, 884904, 1032388, 1106130, 1290485, 1474840, 1548582, 2064776, 2212260, 2580970, 3097164, 3871455, 4424520, 5161940, 6194328, 7742910, 10323880, 15485820, 30971640]

約数ペア:

[(1, 30971640), (2, 15485820), (3, 10323880), (4, 7742910), (5, 6194328), (6, 5161940), (7, 4424520), (8, 3871455), (10, 3097164), (12, 2580970), (14, 2212260), (15, 2064776), (20, 1548582), (21, 1474840), (24, 1290485), (28, 1106130), (30, 1032388), (35, 884904), (40, 774291), (42, 737420), (56, 553065), (60, 516194), (70, 442452), (84, 368710), (105, 294968), (120, 258097), (140, 221226), (168, 184355), (210, 147484), (280, 110613), (420, 73742), (840, 36871)]