257370060

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{138371}}^1$

素因数の和:138414

約数の個数: 48

約数和(自身を含む): 743887872

約数和(自身を除く): 486517812

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 31, 60, 62, 93, 124, 155, 186, 310, 372, 465, 620, 930, 1860, 138371, 276742, 415113, 553484, 691855, 830226, 1383710, 1660452, 2075565, 2767420, 4151130, 4289501, 8302260, 8579002, 12868503, 17158004, 21447505, 25737006, 42895010, 51474012, 64342515, 85790020, 128685030, 257370060]

約数ペア:

[(1, 257370060), (2, 128685030), (3, 85790020), (4, 64342515), (5, 51474012), (6, 42895010), (10, 25737006), (12, 21447505), (15, 17158004), (20, 12868503), (30, 8579002), (31, 8302260), (60, 4289501), (62, 4151130), (93, 2767420), (124, 2075565), (155, 1660452), (186, 1383710), (310, 830226), (372, 691855), (465, 553484), (620, 415113), (930, 276742), (1860, 138371)]