48720840

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{1871}}^1$

素因数の和:1923

約数の個数: 128

約数和(自身を含む): 172523520

約数和(自身を除く): 123802680

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 31, 35, 40, 42, 56, 60, 62, 70, 84, 93, 105, 120, 124, 140, 155, 168, 186, 210, 217, 248, 280, 310, 372, 420, 434, 465, 620, 651, 744, 840, 868, 930, 1085, 1240, 1302, 1736, 1860, 1871, 2170, 2604, 3255, 3720, 3742, 4340, 5208, 5613, 6510, 7484, 8680, 9355, 11226, 13020, 13097, 14968, 18710, 22452, 26040, 26194, 28065, 37420, 39291, 44904, 52388, 56130, 58001, 65485, 74840, 78582, 104776, 112260, 116002, 130970, 157164, 174003, 196455, 224520, 232004, 261940, 290005, 314328, 348006, 392910, 406007, 464008, 523880, 580010, 696012, 785820, 812014, 870015, 1160020, 1218021, 1392024, 1571640, 1624028, 1740030, 2030035, 2320040, 2436042, 3248056, 3480060, 4060070, 4872084, 6090105, 6960120, 8120140, 9744168, 12180210, 16240280, 24360420, 48720840]

約数ペア:

[(1, 48720840), (2, 24360420), (3, 16240280), (4, 12180210), (5, 9744168), (6, 8120140), (7, 6960120), (8, 6090105), (10, 4872084), (12, 4060070), (14, 3480060), (15, 3248056), (20, 2436042), (21, 2320040), (24, 2030035), (28, 1740030), (30, 1624028), (31, 1571640), (35, 1392024), (40, 1218021), (42, 1160020), (56, 870015), (60, 812014), (62, 785820), (70, 696012), (84, 580010), (93, 523880), (105, 464008), (120, 406007), (124, 392910), (140, 348006), (155, 314328), (168, 290005), (186, 261940), (210, 232004), (217, 224520), (248, 196455), (280, 174003), (310, 157164), (372, 130970), (420, 116002), (434, 112260), (465, 104776), (620, 78582), (651, 74840), (744, 65485), (840, 58001), (868, 56130), (930, 52388), (1085, 44904), (1240, 39291), (1302, 37420), (1736, 28065), (1860, 26194), (1871, 26040), (2170, 22452), (2604, 18710), (3255, 14968), (3720, 13097), (3742, 13020), (4340, 11226), (5208, 9355), (5613, 8680), (6510, 7484)]