195971640

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{163}}^1\times {\mathrm{233}}^1$

素因数の和:453

約数の個数: 128

約数和(自身を含む): 607875840

約数和(自身を除く): 411904200

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 43, 60, 86, 120, 129, 163, 172, 215, 233, 258, 326, 344, 430, 466, 489, 516, 645, 652, 699, 815, 860, 932, 978, 1032, 1165, 1290, 1304, 1398, 1630, 1720, 1864, 1956, 2330, 2445, 2580, 2796, 3260, 3495, 3912, 4660, 4890, 5160, 5592, 6520, 6990, 7009, 9320, 9780, 10019, 13980, 14018, 19560, 20038, 21027, 27960, 28036, 30057, 35045, 37979, 40076, 42054, 50095, 56072, 60114, 70090, 75958, 80152, 84108, 100190, 105135, 113937, 120228, 140180, 150285, 151916, 168216, 189895, 200380, 210270, 227874, 240456, 280360, 300570, 303832, 379790, 400760, 420540, 455748, 569685, 601140, 759580, 841080, 911496, 1139370, 1202280, 1519160, 1633097, 2278740, 3266194, 4557480, 4899291, 6532388, 8165485, 9798582, 13064776, 16330970, 19597164, 24496455, 32661940, 39194328, 48992910, 65323880, 97985820, 195971640]

約数ペア:

[(1, 195971640), (2, 97985820), (3, 65323880), (4, 48992910), (5, 39194328), (6, 32661940), (8, 24496455), (10, 19597164), (12, 16330970), (15, 13064776), (20, 9798582), (24, 8165485), (30, 6532388), (40, 4899291), (43, 4557480), (60, 3266194), (86, 2278740), (120, 1633097), (129, 1519160), (163, 1202280), (172, 1139370), (215, 911496), (233, 841080), (258, 759580), (326, 601140), (344, 569685), (430, 455748), (466, 420540), (489, 400760), (516, 379790), (645, 303832), (652, 300570), (699, 280360), (815, 240456), (860, 227874), (932, 210270), (978, 200380), (1032, 189895), (1165, 168216), (1290, 151916), (1304, 150285), (1398, 140180), (1630, 120228), (1720, 113937), (1864, 105135), (1956, 100190), (2330, 84108), (2445, 80152), (2580, 75958), (2796, 70090), (3260, 60114), (3495, 56072), (3912, 50095), (4660, 42054), (4890, 40076), (5160, 37979), (5592, 35045), (6520, 30057), (6990, 28036), (7009, 27960), (9320, 21027), (9780, 20038), (10019, 19560), (13980, 14018)]