257014920

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{2141791}}^1$

素因数の和:2141805

約数の個数: 32

約数和(自身を含む): 771045120

約数和(自身を除く): 514030200

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 2141791, 4283582, 6425373, 8567164, 10708955, 12850746, 17134328, 21417910, 25701492, 32126865, 42835820, 51402984, 64253730, 85671640, 128507460, 257014920]

約数ペア:

[(1, 257014920), (2, 128507460), (3, 85671640), (4, 64253730), (5, 51402984), (6, 42835820), (8, 32126865), (10, 25701492), (12, 21417910), (15, 17134328), (20, 12850746), (24, 10708955), (30, 8567164), (40, 6425373), (60, 4283582), (120, 2141791)]