1220236080

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{726331}}^1$

素因数の和:726354

約数の個数: 80

約数和(自身を含む): 4323128064

約数和(自身を除く): 3102891984

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 56, 60, 70, 80, 84, 105, 112, 120, 140, 168, 210, 240, 280, 336, 420, 560, 840, 1680, 726331, 1452662, 2178993, 2905324, 3631655, 4357986, 5084317, 5810648, 7263310, 8715972, 10168634, 10894965, 11621296, 14526620, 15252951, 17431944, 20337268, 21789930, 25421585, 29053240, 30505902, 34863888, 40674536, 43579860, 50843170, 58106480, 61011804, 76264755, 81349072, 87159720, 101686340, 122023608, 152529510, 174319440, 203372680, 244047216, 305059020, 406745360, 610118040, 1220236080]

約数ペア:

[(1, 1220236080), (2, 610118040), (3, 406745360), (4, 305059020), (5, 244047216), (6, 203372680), (7, 174319440), (8, 152529510), (10, 122023608), (12, 101686340), (14, 87159720), (15, 81349072), (16, 76264755), (20, 61011804), (21, 58106480), (24, 50843170), (28, 43579860), (30, 40674536), (35, 34863888), (40, 30505902), (42, 29053240), (48, 25421585), (56, 21789930), (60, 20337268), (70, 17431944), (80, 15252951), (84, 14526620), (105, 11621296), (112, 10894965), (120, 10168634), (140, 8715972), (168, 7263310), (210, 5810648), (240, 5084317), (280, 4357986), (336, 3631655), (420, 2905324), (560, 2178993), (840, 1452662), (1680, 726331)]