156991520

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{140171}}^1$

素因数の和:140193

約数の個数: 48

約数和(自身を含む): 423880128

約数和(自身を除く): 266888608

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 70, 80, 112, 140, 160, 224, 280, 560, 1120, 140171, 280342, 560684, 700855, 981197, 1121368, 1401710, 1962394, 2242736, 2803420, 3924788, 4485472, 4905985, 5606840, 7849576, 9811970, 11213680, 15699152, 19623940, 22427360, 31398304, 39247880, 78495760, 156991520]

約数ペア:

[(1, 156991520), (2, 78495760), (4, 39247880), (5, 31398304), (7, 22427360), (8, 19623940), (10, 15699152), (14, 11213680), (16, 9811970), (20, 7849576), (28, 5606840), (32, 4905985), (35, 4485472), (40, 3924788), (56, 2803420), (70, 2242736), (80, 1962394), (112, 1401710), (140, 1121368), (160, 981197), (224, 700855), (280, 560684), (560, 280342), (1120, 140171)]