238498740

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{331}}^1\times {\mathrm{4003}}^1$

素因数の和:4349

約数の個数: 72

約数和(自身を含む): 725813088

約数和(自身を除く): 487314348

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 331, 662, 993, 1324, 1655, 1986, 2979, 3310, 3972, 4003, 4965, 5958, 6620, 8006, 9930, 11916, 12009, 14895, 16012, 19860, 20015, 24018, 29790, 36027, 40030, 48036, 59580, 60045, 72054, 80060, 120090, 144108, 180135, 240180, 360270, 720540, 1324993, 2649986, 3974979, 5299972, 6624965, 7949958, 11924937, 13249930, 15899916, 19874895, 23849874, 26499860, 39749790, 47699748, 59624685, 79499580, 119249370, 238498740]

約数ペア:

[(1, 238498740), (2, 119249370), (3, 79499580), (4, 59624685), (5, 47699748), (6, 39749790), (9, 26499860), (10, 23849874), (12, 19874895), (15, 15899916), (18, 13249930), (20, 11924937), (30, 7949958), (36, 6624965), (45, 5299972), (60, 3974979), (90, 2649986), (180, 1324993), (331, 720540), (662, 360270), (993, 240180), (1324, 180135), (1655, 144108), (1986, 120090), (2979, 80060), (3310, 72054), (3972, 60045), (4003, 59580), (4965, 48036), (5958, 40030), (6620, 36027), (8006, 29790), (9930, 24018), (11916, 20015), (12009, 19860), (14895, 16012)]