206879280

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{861997}}^1$

素因数の和:862013

約数の個数: 40

約数和(自身を含む): 641326512

約数和(自身を除く): 434447232

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 861997, 1723994, 2585991, 3447988, 4309985, 5171982, 6895976, 8619970, 10343964, 12929955, 13791952, 17239940, 20687928, 25859910, 34479880, 41375856, 51719820, 68959760, 103439640, 206879280]

約数ペア:

[(1, 206879280), (2, 103439640), (3, 68959760), (4, 51719820), (5, 41375856), (6, 34479880), (8, 25859910), (10, 20687928), (12, 17239940), (15, 13791952), (16, 12929955), (20, 10343964), (24, 8619970), (30, 6895976), (40, 5171982), (48, 4309985), (60, 3447988), (80, 2585991), (120, 1723994), (240, 861997)]