8146639120

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{2251}}^1\times {\mathrm{2381}}^1$

素因数の和:4664

約数の個数: 80

約数和(自身を含む): 19955062080

約数和(自身を除く): 11808422960

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 760, 1520, 2251, 2381, 4502, 4762, 9004, 9524, 11255, 11905, 18008, 19048, 22510, 23810, 36016, 38096, 42769, 45020, 45239, 47620, 85538, 90040, 90478, 95240, 171076, 180080, 180956, 190480, 213845, 226195, 342152, 361912, 427690, 452390, 684304, 723824, 855380, 904780, 1710760, 1809560, 3421520, 3619120, 5359631, 10719262, 21438524, 26798155, 42877048, 53596310, 85754096, 101832989, 107192620, 203665978, 214385240, 407331956, 428770480, 509164945, 814663912, 1018329890, 1629327824, 2036659780, 4073319560, 8146639120]

約数ペア:

[(1, 8146639120), (2, 4073319560), (4, 2036659780), (5, 1629327824), (8, 1018329890), (10, 814663912), (16, 509164945), (19, 428770480), (20, 407331956), (38, 214385240), (40, 203665978), (76, 107192620), (80, 101832989), (95, 85754096), (152, 53596310), (190, 42877048), (304, 26798155), (380, 21438524), (760, 10719262), (1520, 5359631), (2251, 3619120), (2381, 3421520), (4502, 1809560), (4762, 1710760), (9004, 904780), (9524, 855380), (11255, 723824), (11905, 684304), (18008, 452390), (19048, 427690), (22510, 361912), (23810, 342152), (36016, 226195), (38096, 213845), (42769, 190480), (45020, 180956), (45239, 180080), (47620, 171076), (85538, 95240), (90040, 90478)]