91440920

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{1523}}^1$

素因数の和:1632

約数の個数: 64

約数和(自身を含む): 219456000

約数和(自身を除く): 128015080

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 79, 95, 152, 158, 190, 316, 380, 395, 632, 760, 790, 1501, 1523, 1580, 3002, 3046, 3160, 6004, 6092, 7505, 7615, 12008, 12184, 15010, 15230, 28937, 30020, 30460, 57874, 60040, 60920, 115748, 120317, 144685, 231496, 240634, 289370, 481268, 578740, 601585, 962536, 1157480, 1203170, 2286023, 2406340, 4572046, 4812680, 9144092, 11430115, 18288184, 22860230, 45720460, 91440920]

約数ペア:

[(1, 91440920), (2, 45720460), (4, 22860230), (5, 18288184), (8, 11430115), (10, 9144092), (19, 4812680), (20, 4572046), (38, 2406340), (40, 2286023), (76, 1203170), (79, 1157480), (95, 962536), (152, 601585), (158, 578740), (190, 481268), (316, 289370), (380, 240634), (395, 231496), (632, 144685), (760, 120317), (790, 115748), (1501, 60920), (1523, 60040), (1580, 57874), (3002, 30460), (3046, 30020), (3160, 28937), (6004, 15230), (6092, 15010), (7505, 12184), (7615, 12008)]