123271440

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{513631}}^1$

素因数の和:513647

約数の個数: 40

約数和(自身を含む): 382142208

約数和(自身を除く): 258870768

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 513631, 1027262, 1540893, 2054524, 2568155, 3081786, 4109048, 5136310, 6163572, 7704465, 8218096, 10272620, 12327144, 15408930, 20545240, 24654288, 30817860, 41090480, 61635720, 123271440]

約数ペア:

[(1, 123271440), (2, 61635720), (3, 41090480), (4, 30817860), (5, 24654288), (6, 20545240), (8, 15408930), (10, 12327144), (12, 10272620), (15, 8218096), (16, 7704465), (20, 6163572), (24, 5136310), (30, 4109048), (40, 3081786), (48, 2568155), (60, 2054524), (80, 1540893), (120, 1027262), (240, 513631)]