256477680

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{356219}}^1$

素因数の和:356238

約数の個数: 60

約数和(自身を含む): 861339960

約数和(自身を除く): 604862280

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 180, 240, 360, 720, 356219, 712438, 1068657, 1424876, 1781095, 2137314, 2849752, 3205971, 3562190, 4274628, 5343285, 5699504, 6411942, 7124380, 8549256, 10686570, 12823884, 14248760, 16029855, 17098512, 21373140, 25647768, 28497520, 32059710, 42746280, 51295536, 64119420, 85492560, 128238840, 256477680]

約数ペア:

[(1, 256477680), (2, 128238840), (3, 85492560), (4, 64119420), (5, 51295536), (6, 42746280), (8, 32059710), (9, 28497520), (10, 25647768), (12, 21373140), (15, 17098512), (16, 16029855), (18, 14248760), (20, 12823884), (24, 10686570), (30, 8549256), (36, 7124380), (40, 6411942), (45, 5699504), (48, 5343285), (60, 4274628), (72, 3562190), (80, 3205971), (90, 2849752), (120, 2137314), (144, 1781095), (180, 1424876), (240, 1068657), (360, 712438), (720, 356219)]