121765520

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{1327}}^1$

素因数の和:1408

約数の個数: 80

約数和(自身を含む): 300361728

約数和(自身を除く): 178596208

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 37, 40, 62, 74, 80, 124, 148, 155, 185, 248, 296, 310, 370, 496, 592, 620, 740, 1147, 1240, 1327, 1480, 2294, 2480, 2654, 2960, 4588, 5308, 5735, 6635, 9176, 10616, 11470, 13270, 18352, 21232, 22940, 26540, 41137, 45880, 49099, 53080, 82274, 91760, 98198, 106160, 164548, 196396, 205685, 245495, 329096, 392792, 411370, 490990, 658192, 785584, 822740, 981980, 1522069, 1645480, 1963960, 3044138, 3290960, 3927920, 6088276, 7610345, 12176552, 15220690, 24353104, 30441380, 60882760, 121765520]

約数ペア:

[(1, 121765520), (2, 60882760), (4, 30441380), (5, 24353104), (8, 15220690), (10, 12176552), (16, 7610345), (20, 6088276), (31, 3927920), (37, 3290960), (40, 3044138), (62, 1963960), (74, 1645480), (80, 1522069), (124, 981980), (148, 822740), (155, 785584), (185, 658192), (248, 490990), (296, 411370), (310, 392792), (370, 329096), (496, 245495), (592, 205685), (620, 196396), (740, 164548), (1147, 106160), (1240, 98198), (1327, 91760), (1480, 82274), (2294, 53080), (2480, 49099), (2654, 45880), (2960, 41137), (4588, 26540), (5308, 22940), (5735, 21232), (6635, 18352), (9176, 13270), (10616, 11470)]