2016145725

素因数分解:

$3^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{257}}^2$

素因数の和:575

約数の個数: 72

約数和(自身を含む): 3749263008

約数和(自身を除く): 1733117283

約数列:

[1, 3, 5, 11, 15, 25, 33, 37, 55, 75, 111, 165, 185, 257, 275, 407, 555, 771, 825, 925, 1221, 1285, 2035, 2775, 2827, 3855, 6105, 6425, 8481, 9509, 10175, 14135, 19275, 28527, 30525, 42405, 47545, 66049, 70675, 104599, 142635, 198147, 212025, 237725, 313797, 330245, 522995, 713175, 726539, 990735, 1568985, 1651225, 2179617, 2443813, 2614975, 3632695, 4953675, 7331439, 7844925, 10898085, 12219065, 18163475, 26881943, 36657195, 54490425, 61095325, 80645829, 134409715, 183285975, 403229145, 672048575, 2016145725]

約数ペア:

[(1, 2016145725), (3, 672048575), (5, 403229145), (11, 183285975), (15, 134409715), (25, 80645829), (33, 61095325), (37, 54490425), (55, 36657195), (75, 26881943), (111, 18163475), (165, 12219065), (185, 10898085), (257, 7844925), (275, 7331439), (407, 4953675), (555, 3632695), (771, 2614975), (825, 2443813), (925, 2179617), (1221, 1651225), (1285, 1568985), (2035, 990735), (2775, 726539), (2827, 713175), (3855, 522995), (6105, 330245), (6425, 313797), (8481, 237725), (9509, 212025), (10175, 198147), (14135, 142635), (19275, 104599), (28527, 70675), (30525, 66049), (42405, 47545)]