18867120

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{127}}^1\times {\mathrm{619}}^1$

素因数の和:762

約数の個数: 80

約数和(自身を含む): 59043840

約数和(自身を除く): 40176720

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 127, 240, 254, 381, 508, 619, 635, 762, 1016, 1238, 1270, 1524, 1857, 1905, 2032, 2476, 2540, 3048, 3095, 3714, 3810, 4952, 5080, 6096, 6190, 7428, 7620, 9285, 9904, 10160, 12380, 14856, 15240, 18570, 24760, 29712, 30480, 37140, 49520, 74280, 78613, 148560, 157226, 235839, 314452, 393065, 471678, 628904, 786130, 943356, 1179195, 1257808, 1572260, 1886712, 2358390, 3144520, 3773424, 4716780, 6289040, 9433560, 18867120]

約数ペア:

[(1, 18867120), (2, 9433560), (3, 6289040), (4, 4716780), (5, 3773424), (6, 3144520), (8, 2358390), (10, 1886712), (12, 1572260), (15, 1257808), (16, 1179195), (20, 943356), (24, 786130), (30, 628904), (40, 471678), (48, 393065), (60, 314452), (80, 235839), (120, 157226), (127, 148560), (240, 78613), (254, 74280), (381, 49520), (508, 37140), (619, 30480), (635, 29712), (762, 24760), (1016, 18570), (1238, 15240), (1270, 14856), (1524, 12380), (1857, 10160), (1905, 9904), (2032, 9285), (2476, 7620), (2540, 7428), (3048, 6190), (3095, 6096), (3714, 5080), (3810, 4952)]